Home / 2,187,194.60-3,280,791.90-1,392,001.40

Finding the Fourth Proportional to 2,187,194.60, 3,280,791.90 and 1,392,001.40

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Solution

The fourth proportional to 2,187,194.60, 3,280,791.90 and 1,392,001.40 is: 2,088,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,194.60 : 3,280,791.90 = 1,392,001.40 : x
  2. Step 2: Convert to fraction form
    2,187,194.60/3,280,791.90 = 1,392,001.40/x
  3. Step 3: Cross multiply
    2,187,194.60x = 3,280,791.90 × 1,392,001.40
  4. Step 4: Simplify right side
    2,187,194.60x = 4,566,866,917,908.66
  5. Step 5: Solve for x
    x = 4,566,866,917,908.66/2,187,194.60
  6. Step 6: Final answer
    x = 2,088,002.10

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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.