Home / 2,921,512.20-4,389,641.10-1,857,064.20

Finding the Fourth Proportional to 2,921,512.20, 4,389,641.10 and 1,857,064.20

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Solution

The fourth proportional to 2,921,512.20, 4,389,641.10 and 1,857,064.20 is: 2,790,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,512.20 : 4,389,641.10 = 1,857,064.20 : x
  2. Step 2: Convert to fraction form
    2,921,512.20/4,389,641.10 = 1,857,064.20/x
  3. Step 3: Cross multiply
    2,921,512.20x = 4,389,641.10 × 1,857,064.20
  4. Step 4: Simplify right side
    2,921,512.20x = 8,151,845,337,658.62
  5. Step 5: Solve for x
    x = 8,151,845,337,658.62/2,921,512.20
  6. Step 6: Final answer
    x = 2,790,282.83

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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.