Home / 4,679,039.40-7,018,559.10-2,159,615.40

Finding the Fourth Proportional to 4,679,039.40, 7,018,559.10 and 2,159,615.40

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Solution

The fourth proportional to 4,679,039.40, 7,018,559.10 and 2,159,615.40 is: 3,239,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,039.40 : 7,018,559.10 = 2,159,615.40 : x
  2. Step 2: Convert to fraction form
    4,679,039.40/7,018,559.10 = 2,159,615.40/x
  3. Step 3: Cross multiply
    4,679,039.40x = 7,018,559.10 × 2,159,615.40
  4. Step 4: Simplify right side
    4,679,039.40x = 15,157,388,318,170.14
  5. Step 5: Solve for x
    x = 15,157,388,318,170.14/4,679,039.40
  6. Step 6: Final answer
    x = 3,239,423.10

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Double scale
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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.