Home / 3,896,470.78-5,377,295.75-2,177,591.27

Finding the Fourth Proportional to 3,896,470.78, 5,377,295.75 and 2,177,591.27

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Solution

The fourth proportional to 3,896,470.78, 5,377,295.75 and 2,177,591.27 is: 3,005,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,470.78 : 5,377,295.75 = 2,177,591.27 : x
  2. Step 2: Convert to fraction form
    3,896,470.78/5,377,295.75 = 2,177,591.27/x
  3. Step 3: Cross multiply
    3,896,470.78x = 5,377,295.75 × 2,177,591.27
  4. Step 4: Simplify right side
    3,896,470.78x = 11,709,552,243,633.67
  5. Step 5: Solve for x
    x = 11,709,552,243,633.67/3,896,470.78
  6. Step 6: Final answer
    x = 3,005,168.76

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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.