Home / 2,587,117.20-3,880,675.80-2,545,126.80

Finding the Fourth Proportional to 2,587,117.20, 3,880,675.80 and 2,545,126.80

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Solution

The fourth proportional to 2,587,117.20, 3,880,675.80 and 2,545,126.80 is: 3,817,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,117.20 : 3,880,675.80 = 2,545,126.80 : x
  2. Step 2: Convert to fraction form
    2,587,117.20/3,880,675.80 = 2,545,126.80/x
  3. Step 3: Cross multiply
    2,587,117.20x = 3,880,675.80 × 2,545,126.80
  4. Step 4: Simplify right side
    2,587,117.20x = 9,876,811,980,691.44
  5. Step 5: Solve for x
    x = 9,876,811,980,691.44/2,587,117.20
  6. Step 6: Final answer
    x = 3,817,690.20

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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.