Home / 3,896,412.86-5,377,288.48-2,177,670.62

Finding the Fourth Proportional to 3,896,412.86, 5,377,288.48 and 2,177,670.62

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Solution

The fourth proportional to 3,896,412.86, 5,377,288.48 and 2,177,670.62 is: 3,005,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,412.86 : 5,377,288.48 = 2,177,670.62 : x
  2. Step 2: Convert to fraction form
    3,896,412.86/5,377,288.48 = 2,177,670.62/x
  3. Step 3: Cross multiply
    3,896,412.86x = 5,377,288.48 × 2,177,670.62
  4. Step 4: Simplify right side
    3,896,412.86x = 11,709,963,138,160.46
  5. Step 5: Solve for x
    x = 11,709,963,138,160.46/3,896,412.86
  6. Step 6: Final answer
    x = 3,005,318.88

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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.