Home / 5,429,655.76-7,494,229.85-3,107,894.31

Finding the Fourth Proportional to 5,429,655.76, 7,494,229.85 and 3,107,894.31

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Solution

The fourth proportional to 5,429,655.76, 7,494,229.85 and 3,107,894.31 is: 4,289,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,655.76 : 7,494,229.85 = 3,107,894.31 : x
  2. Step 2: Convert to fraction form
    5,429,655.76/7,494,229.85 = 3,107,894.31/x
  3. Step 3: Cross multiply
    5,429,655.76x = 7,494,229.85 × 3,107,894.31
  4. Step 4: Simplify right side
    5,429,655.76x = 23,291,274,333,787.97
  5. Step 5: Solve for x
    x = 23,291,274,333,787.97/5,429,655.76
  6. Step 6: Final answer
    x = 4,289,641.07

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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.