Home / 5,101,675.29-7,040,169.95-2,778,516.86

Finding the Fourth Proportional to 5,101,675.29, 7,040,169.95 and 2,778,516.86

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Solution

The fourth proportional to 5,101,675.29, 7,040,169.95 and 2,778,516.86 is: 3,834,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,675.29 : 7,040,169.95 = 2,778,516.86 : x
  2. Step 2: Convert to fraction form
    5,101,675.29/7,040,169.95 = 2,778,516.86/x
  3. Step 3: Cross multiply
    5,101,675.29x = 7,040,169.95 × 2,778,516.86
  4. Step 4: Simplify right side
    5,101,675.29x = 19,561,230,854,246.92
  5. Step 5: Solve for x
    x = 19,561,230,854,246.92/5,101,675.29
  6. Step 6: Final answer
    x = 3,834,275.95

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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.