Home / 1,935,249.30-2,901,999.15-869,742.90

Finding the Fourth Proportional to 1,935,249.30, 2,901,999.15 and 869,742.90

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Solution

The fourth proportional to 1,935,249.30, 2,901,999.15 and 869,742.90 is: 1,304,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,249.30 : 2,901,999.15 = 869,742.90 : x
  2. Step 2: Convert to fraction form
    1,935,249.30/2,901,999.15 = 869,742.90/x
  3. Step 3: Cross multiply
    1,935,249.30x = 2,901,999.15 × 869,742.90
  4. Step 4: Simplify right side
    1,935,249.30x = 2,523,993,156,518.54
  5. Step 5: Solve for x
    x = 2,523,993,156,518.54/1,935,249.30
  6. Step 6: Final answer
    x = 1,304,221.20

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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.