Home / 3,121,200.30-4,676,551.65-2,055,693.90

Finding the Fourth Proportional to 3,121,200.30, 4,676,551.65 and 2,055,693.90

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Solution

The fourth proportional to 3,121,200.30, 4,676,551.65 and 2,055,693.90 is: 3,080,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,200.30 : 4,676,551.65 = 2,055,693.90 : x
  2. Step 2: Convert to fraction form
    3,121,200.30/4,676,551.65 = 2,055,693.90/x
  3. Step 3: Cross multiply
    3,121,200.30x = 4,676,551.65 × 2,055,693.90
  4. Step 4: Simplify right side
    3,121,200.30x = 9,613,558,699,939.94
  5. Step 5: Solve for x
    x = 9,613,558,699,939.94/3,121,200.30
  6. Step 6: Final answer
    x = 3,080,083.87

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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.