Home / 5,127,299.12-7,690,965.24-1,931,567.12

Finding the Fourth Proportional to 5,127,299.12, 7,690,965.24 and 1,931,567.12

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Solution

The fourth proportional to 5,127,299.12, 7,690,965.24 and 1,931,567.12 is: 2,897,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,299.12 : 7,690,965.24 = 1,931,567.12 : x
  2. Step 2: Convert to fraction form
    5,127,299.12/7,690,965.24 = 1,931,567.12/x
  3. Step 3: Cross multiply
    5,127,299.12x = 7,690,965.24 × 1,931,567.12
  4. Step 4: Simplify right side
    5,127,299.12x = 14,855,615,578,646.91
  5. Step 5: Solve for x
    x = 14,855,615,578,646.91/5,127,299.12
  6. Step 6: Final answer
    x = 2,897,356.92

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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.