Home / 3,618,052.20-5,427,078.30-1,487,428.20

Finding the Fourth Proportional to 3,618,052.20, 5,427,078.30 and 1,487,428.20

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Solution

The fourth proportional to 3,618,052.20, 5,427,078.30 and 1,487,428.20 is: 2,231,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,052.20 : 5,427,078.30 = 1,487,428.20 : x
  2. Step 2: Convert to fraction form
    3,618,052.20/5,427,078.30 = 1,487,428.20/x
  3. Step 3: Cross multiply
    3,618,052.20x = 5,427,078.30 × 1,487,428.20
  4. Step 4: Simplify right side
    3,618,052.20x = 8,072,389,307,028.06
  5. Step 5: Solve for x
    x = 8,072,389,307,028.06/3,618,052.20
  6. Step 6: Final answer
    x = 2,231,142.30

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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.