Home / 2,876,559.12-3,969,732.24-1,587,480.96

Finding the Fourth Proportional to 2,876,559.12, 3,969,732.24 and 1,587,480.96

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Solution

The fourth proportional to 2,876,559.12, 3,969,732.24 and 1,587,480.96 is: 2,190,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,559.12 : 3,969,732.24 = 1,587,480.96 : x
  2. Step 2: Convert to fraction form
    2,876,559.12/3,969,732.24 = 1,587,480.96/x
  3. Step 3: Cross multiply
    2,876,559.12x = 3,969,732.24 × 1,587,480.96
  4. Step 4: Simplify right side
    2,876,559.12x = 6,301,874,347,298.15
  5. Step 5: Solve for x
    x = 6,301,874,347,298.15/2,876,559.12
  6. Step 6: Final answer
    x = 2,190,768.24

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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.