Home / 6,981,017.36-10,471,755-1,931,905.04

Finding the Fourth Proportional to 6,981,017.36, 10,471,755 and 1,931,905.04

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Solution

The fourth proportional to 6,981,017.36, 10,471,755 and 1,931,905.04 is: 2,897,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981,017.36 : 10,471,755 = 1,931,905.04 : x
  2. Step 2: Convert to fraction form
    6,981,017.36/10,471,755 = 1,931,905.04/x
  3. Step 3: Cross multiply
    6,981,017.36x = 10,471,755 × 1,931,905.04
  4. Step 4: Simplify right side
    6,981,017.36x = 20,230,436,262,145.20
  5. Step 5: Solve for x
    x = 20,230,436,262,145.20/6,981,017.36
  6. Step 6: Final answer
    x = 2,897,920.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.