Home / 2,187,042.30-3,280,563.46-1,956,751.20

Finding the Fourth Proportional to 2,187,042.30, 3,280,563.46 and 1,956,751.20

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Solution

The fourth proportional to 2,187,042.30, 3,280,563.46 and 1,956,751.20 is: 2,935,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,042.30 : 3,280,563.46 = 1,956,751.20 : x
  2. Step 2: Convert to fraction form
    2,187,042.30/3,280,563.46 = 1,956,751.20/x
  3. Step 3: Cross multiply
    2,187,042.30x = 3,280,563.46 × 1,956,751.20
  4. Step 4: Simplify right side
    2,187,042.30x = 6,419,246,487,031.15
  5. Step 5: Solve for x
    x = 6,419,246,487,031.15/2,187,042.30
  6. Step 6: Final answer
    x = 2,935,126.81

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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.