Home / 3,895,839.28-5,376,155.04-2,176,973.92

Finding the Fourth Proportional to 3,895,839.28, 5,376,155.04 and 2,176,973.92

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Solution

The fourth proportional to 3,895,839.28, 5,376,155.04 and 2,176,973.92 is: 3,004,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,839.28 : 5,376,155.04 = 2,176,973.92 : x
  2. Step 2: Convert to fraction form
    3,895,839.28/5,376,155.04 = 2,176,973.92/x
  3. Step 3: Cross multiply
    3,895,839.28x = 5,376,155.04 × 2,176,973.92
  4. Step 4: Simplify right side
    3,895,839.28x = 11,703,749,311,956.56
  5. Step 5: Solve for x
    x = 11,703,749,311,956.56/3,895,839.28
  6. Step 6: Final answer
    x = 3,004,166.36

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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.