Home / 3,670,891.20-5,506,336.80-2,657,872.80

Finding the Fourth Proportional to 3,670,891.20, 5,506,336.80 and 2,657,872.80

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Solution

The fourth proportional to 3,670,891.20, 5,506,336.80 and 2,657,872.80 is: 3,986,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,891.20 : 5,506,336.80 = 2,657,872.80 : x
  2. Step 2: Convert to fraction form
    3,670,891.20/5,506,336.80 = 2,657,872.80/x
  3. Step 3: Cross multiply
    3,670,891.20x = 5,506,336.80 × 2,657,872.80
  4. Step 4: Simplify right side
    3,670,891.20x = 14,635,142,808,359.04
  5. Step 5: Solve for x
    x = 14,635,142,808,359.04/3,670,891.20
  6. Step 6: Final answer
    x = 3,986,809.20

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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.