Home / 2,876,290.80-3,969,165.24-1,587,114.40

Finding the Fourth Proportional to 2,876,290.80, 3,969,165.24 and 1,587,114.40

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Solution

The fourth proportional to 2,876,290.80, 3,969,165.24 and 1,587,114.40 is: 2,190,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,290.80 : 3,969,165.24 = 1,587,114.40 : x
  2. Step 2: Convert to fraction form
    2,876,290.80/3,969,165.24 = 1,587,114.40/x
  3. Step 3: Cross multiply
    2,876,290.80x = 3,969,165.24 × 1,587,114.40
  4. Step 4: Simplify right side
    2,876,290.80x = 6,299,519,308,383.46
  5. Step 5: Solve for x
    x = 6,299,519,308,383.46/2,876,290.80
  6. Step 6: Final answer
    x = 2,190,153.83

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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.