Home / 3,896,404.40-5,377,276.86-2,177,662.16

Finding the Fourth Proportional to 3,896,404.40, 5,377,276.86 and 2,177,662.16

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Solution

The fourth proportional to 3,896,404.40, 5,377,276.86 and 2,177,662.16 is: 3,005,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,404.40 : 5,377,276.86 = 2,177,662.16 : x
  2. Step 2: Convert to fraction form
    3,896,404.40/5,377,276.86 = 2,177,662.16/x
  3. Step 3: Cross multiply
    3,896,404.40x = 5,377,276.86 × 2,177,662.16
  4. Step 4: Simplify right side
    3,896,404.40x = 11,709,892,341,865.62
  5. Step 5: Solve for x
    x = 11,709,892,341,865.62/3,896,404.40
  6. Step 6: Final answer
    x = 3,005,307.24

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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.