Home / 3,643,411.20-5,465,116.80-2,131,756.80

Finding the Fourth Proportional to 3,643,411.20, 5,465,116.80 and 2,131,756.80

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Solution

The fourth proportional to 3,643,411.20, 5,465,116.80 and 2,131,756.80 is: 3,197,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,411.20 : 5,465,116.80 = 2,131,756.80 : x
  2. Step 2: Convert to fraction form
    3,643,411.20/5,465,116.80 = 2,131,756.80/x
  3. Step 3: Cross multiply
    3,643,411.20x = 5,465,116.80 × 2,131,756.80
  4. Step 4: Simplify right side
    3,643,411.20x = 11,650,299,901,194.24
  5. Step 5: Solve for x
    x = 11,650,299,901,194.24/3,643,411.20
  6. Step 6: Final answer
    x = 3,197,635.20

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Similar ratio
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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.