Home / 3,895,005.76-5,375,008.74-2,176,139.14

Finding the Fourth Proportional to 3,895,005.76, 5,375,008.74 and 2,176,139.14

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Solution

The fourth proportional to 3,895,005.76, 5,375,008.74 and 2,176,139.14 is: 3,003,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,005.76 : 5,375,008.74 = 2,176,139.14 : x
  2. Step 2: Convert to fraction form
    3,895,005.76/5,375,008.74 = 2,176,139.14/x
  3. Step 3: Cross multiply
    3,895,005.76x = 5,375,008.74 × 2,176,139.14
  4. Step 4: Simplify right side
    3,895,005.76x = 11,696,766,896,956.08
  5. Step 5: Solve for x
    x = 11,696,766,896,956.08/3,895,005.76
  6. Step 6: Final answer
    x = 3,003,016.59

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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.