Home / 5,220,969.87-7,204,829.82-2,897,726.09

Finding the Fourth Proportional to 5,220,969.87, 7,204,829.82 and 2,897,726.09

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Solution

The fourth proportional to 5,220,969.87, 7,204,829.82 and 2,897,726.09 is: 3,998,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,969.87 : 7,204,829.82 = 2,897,726.09 : x
  2. Step 2: Convert to fraction form
    5,220,969.87/7,204,829.82 = 2,897,726.09/x
  3. Step 3: Cross multiply
    5,220,969.87x = 7,204,829.82 × 2,897,726.09
  4. Step 4: Simplify right side
    5,220,969.87x = 20,877,623,307,399.86
  5. Step 5: Solve for x
    x = 20,877,623,307,399.86/5,220,969.87
  6. Step 6: Final answer
    x = 3,998,801.72

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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.