Home / 5,116,139.76-7,060,288.12-2,793,035.92

Finding the Fourth Proportional to 5,116,139.76, 7,060,288.12 and 2,793,035.92

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Solution

The fourth proportional to 5,116,139.76, 7,060,288.12 and 2,793,035.92 is: 3,854,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116,139.76 : 7,060,288.12 = 2,793,035.92 : x
  2. Step 2: Convert to fraction form
    5,116,139.76/7,060,288.12 = 2,793,035.92/x
  3. Step 3: Cross multiply
    5,116,139.76x = 7,060,288.12 × 2,793,035.92
  4. Step 4: Simplify right side
    5,116,139.76x = 19,719,638,324,709.27
  5. Step 5: Solve for x
    x = 19,719,638,324,709.27/5,116,139.76
  6. Step 6: Final answer
    x = 3,854,397.90

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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.