Home / 2,484,467.28-3,428,532-1,381,891.20

Finding the Fourth Proportional to 2,484,467.28, 3,428,532 and 1,381,891.20

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Solution

The fourth proportional to 2,484,467.28, 3,428,532 and 1,381,891.20 is: 1,906,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484,467.28 : 3,428,532 = 1,381,891.20 : x
  2. Step 2: Convert to fraction form
    2,484,467.28/3,428,532 = 1,381,891.20/x
  3. Step 3: Cross multiply
    2,484,467.28x = 3,428,532 × 1,381,891.20
  4. Step 4: Simplify right side
    2,484,467.28x = 4,737,858,199,718.40
  5. Step 5: Solve for x
    x = 4,737,858,199,718.40/2,484,467.28
  6. Step 6: Final answer
    x = 1,906,991.59

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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.