Home / 1,538,972.10-2,308,458.15-1,413,000.90

Finding the Fourth Proportional to 1,538,972.10, 2,308,458.15 and 1,413,000.90

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Solution

The fourth proportional to 1,538,972.10, 2,308,458.15 and 1,413,000.90 is: 2,119,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,972.10 : 2,308,458.15 = 1,413,000.90 : x
  2. Step 2: Convert to fraction form
    1,538,972.10/2,308,458.15 = 1,413,000.90/x
  3. Step 3: Cross multiply
    1,538,972.10x = 2,308,458.15 × 1,413,000.90
  4. Step 4: Simplify right side
    1,538,972.10x = 3,261,853,443,562.33
  5. Step 5: Solve for x
    x = 3,261,853,443,562.33/1,538,972.10
  6. Step 6: Final answer
    x = 2,119,501.35

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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.