Home / 3,947,762.70-5,921,644.05-3,581,658.90

Finding the Fourth Proportional to 3,947,762.70, 5,921,644.05 and 3,581,658.90

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Solution

The fourth proportional to 3,947,762.70, 5,921,644.05 and 3,581,658.90 is: 5,372,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,762.70 : 5,921,644.05 = 3,581,658.90 : x
  2. Step 2: Convert to fraction form
    3,947,762.70/5,921,644.05 = 3,581,658.90/x
  3. Step 3: Cross multiply
    3,947,762.70x = 5,921,644.05 × 3,581,658.90
  4. Step 4: Simplify right side
    3,947,762.70x = 21,209,309,114,314.54
  5. Step 5: Solve for x
    x = 21,209,309,114,314.54/3,947,762.70
  6. Step 6: Final answer
    x = 5,372,488.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.