Home / 5,147,221.95-7,103,100.29-2,792,385.09

Finding the Fourth Proportional to 5,147,221.95, 7,103,100.29 and 2,792,385.09

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Solution

The fourth proportional to 5,147,221.95, 7,103,100.29 and 2,792,385.09 is: 3,853,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,221.95 : 7,103,100.29 = 2,792,385.09 : x
  2. Step 2: Convert to fraction form
    5,147,221.95/7,103,100.29 = 2,792,385.09/x
  3. Step 3: Cross multiply
    5,147,221.95x = 7,103,100.29 × 2,792,385.09
  4. Step 4: Simplify right side
    5,147,221.95x = 19,834,591,342,570.68
  5. Step 5: Solve for x
    x = 19,834,591,342,570.68/5,147,221.95
  6. Step 6: Final answer
    x = 3,853,455.62

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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.