Home / 1,587,006.90-2,380,510.35-1,563,387.30

Finding the Fourth Proportional to 1,587,006.90, 2,380,510.35 and 1,563,387.30

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Solution

The fourth proportional to 1,587,006.90, 2,380,510.35 and 1,563,387.30 is: 2,345,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,006.90 : 2,380,510.35 = 1,563,387.30 : x
  2. Step 2: Convert to fraction form
    1,587,006.90/2,380,510.35 = 1,563,387.30/x
  3. Step 3: Cross multiply
    1,587,006.90x = 2,380,510.35 × 1,563,387.30
  4. Step 4: Simplify right side
    1,587,006.90x = 3,721,659,648,708.56
  5. Step 5: Solve for x
    x = 3,721,659,648,708.56/1,587,006.90
  6. Step 6: Final answer
    x = 2,345,080.95

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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.