Home / 6,480,127.10-9,720,190.65-2,491,039.10

Finding the Fourth Proportional to 6,480,127.10, 9,720,190.65 and 2,491,039.10

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Solution

The fourth proportional to 6,480,127.10, 9,720,190.65 and 2,491,039.10 is: 3,736,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,127.10 : 9,720,190.65 = 2,491,039.10 : x
  2. Step 2: Convert to fraction form
    6,480,127.10/9,720,190.65 = 2,491,039.10/x
  3. Step 3: Cross multiply
    6,480,127.10x = 9,720,190.65 × 2,491,039.10
  4. Step 4: Simplify right side
    6,480,127.10x = 24,213,374,968,604.42
  5. Step 5: Solve for x
    x = 24,213,374,968,604.42/6,480,127.10
  6. Step 6: Final answer
    x = 3,736,558.65

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Double scale
Find fourth proportional to 6,480,128.10, 9,720,192.15 and 2,491,040.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.