Home / 3,896,483.76-5,377,046.76-2,177,618.40

Finding the Fourth Proportional to 3,896,483.76, 5,377,046.76 and 2,177,618.40

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Solution

The fourth proportional to 3,896,483.76, 5,377,046.76 and 2,177,618.40 is: 3,005,057.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,483.76 : 5,377,046.76 = 2,177,618.40 : x
  2. Step 2: Convert to fraction form
    3,896,483.76/5,377,046.76 = 2,177,618.40/x
  3. Step 3: Cross multiply
    3,896,483.76x = 5,377,046.76 × 2,177,618.40
  4. Step 4: Simplify right side
    3,896,483.76x = 11,709,155,962,236.38
  5. Step 5: Solve for x
    x = 11,709,155,962,236.38/3,896,483.76
  6. Step 6: Final answer
    x = 3,005,057.04

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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.