Home / 2,100,753.96-2,898,876.78-1,241,151.18

Finding the Fourth Proportional to 2,100,753.96, 2,898,876.78 and 1,241,151.18

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Solution

The fourth proportional to 2,100,753.96, 2,898,876.78 and 1,241,151.18 is: 1,712,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,753.96 : 2,898,876.78 = 1,241,151.18 : x
  2. Step 2: Convert to fraction form
    2,100,753.96/2,898,876.78 = 1,241,151.18/x
  3. Step 3: Cross multiply
    2,100,753.96x = 2,898,876.78 × 1,241,151.18
  4. Step 4: Simplify right side
    2,100,753.96x = 3,597,944,336,171.60
  5. Step 5: Solve for x
    x = 3,597,944,336,171.60/2,100,753.96
  6. Step 6: Final answer
    x = 1,712,691.92

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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.