Home / 1,997,400.20-2,756,682.40-1,126,414.12

Finding the Fourth Proportional to 1,997,400.20, 2,756,682.40 and 1,126,414.12

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Solution

The fourth proportional to 1,997,400.20, 2,756,682.40 and 1,126,414.12 is: 1,554,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,400.20 : 2,756,682.40 = 1,126,414.12 : x
  2. Step 2: Convert to fraction form
    1,997,400.20/2,756,682.40 = 1,126,414.12/x
  3. Step 3: Cross multiply
    1,997,400.20x = 2,756,682.40 × 1,126,414.12
  4. Step 4: Simplify right side
    1,997,400.20x = 3,105,165,989,793.84
  5. Step 5: Solve for x
    x = 3,105,165,989,793.84/1,997,400.20
  6. Step 6: Final answer
    x = 1,554,603.83

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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.