Home / 2,995,512.30-4,493,268.45-865,665.90

Finding the Fourth Proportional to 2,995,512.30, 4,493,268.45 and 865,665.90

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Solution

The fourth proportional to 2,995,512.30, 4,493,268.45 and 865,665.90 is: 1,298,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,512.30 : 4,493,268.45 = 865,665.90 : x
  2. Step 2: Convert to fraction form
    2,995,512.30/4,493,268.45 = 865,665.90/x
  3. Step 3: Cross multiply
    2,995,512.30x = 4,493,268.45 × 865,665.90
  4. Step 4: Simplify right side
    2,995,512.30x = 3,889,669,276,710.86
  5. Step 5: Solve for x
    x = 3,889,669,276,710.86/2,995,512.30
  6. Step 6: Final answer
    x = 1,298,498.85

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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.