Home / 3,945,280.32-5,423,586.75-3,391,957.53

Finding the Fourth Proportional to 3,945,280.32, 5,423,586.75 and 3,391,957.53

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Solution

The fourth proportional to 3,945,280.32, 5,423,586.75 and 3,391,957.53 is: 4,662,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,280.32 : 5,423,586.75 = 3,391,957.53 : x
  2. Step 2: Convert to fraction form
    3,945,280.32/5,423,586.75 = 3,391,957.53/x
  3. Step 3: Cross multiply
    3,945,280.32x = 5,423,586.75 × 3,391,957.53
  4. Step 4: Simplify right side
    3,945,280.32x = 18,396,575,916,270.73
  5. Step 5: Solve for x
    x = 18,396,575,916,270.73/3,945,280.32
  6. Step 6: Final answer
    x = 4,662,932.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.