Home / 3,450,817.90-4,762,144.74-1,980,607.15

Finding the Fourth Proportional to 3,450,817.90, 4,762,144.74 and 1,980,607.15

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Solution

The fourth proportional to 3,450,817.90, 4,762,144.74 and 1,980,607.15 is: 2,733,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,817.90 : 4,762,144.74 = 1,980,607.15 : x
  2. Step 2: Convert to fraction form
    3,450,817.90/4,762,144.74 = 1,980,607.15/x
  3. Step 3: Cross multiply
    3,450,817.90x = 4,762,144.74 × 1,980,607.15
  4. Step 4: Simplify right side
    3,450,817.90x = 9,431,937,921,378.89
  5. Step 5: Solve for x
    x = 9,431,937,921,378.89/3,450,817.90
  6. Step 6: Final answer
    x = 2,733,247.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.