Home / 3,678,000.20-5,517,000.30-1,657,212.20

Finding the Fourth Proportional to 3,678,000.20, 5,517,000.30 and 1,657,212.20

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Solution

The fourth proportional to 3,678,000.20, 5,517,000.30 and 1,657,212.20 is: 2,485,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,000.20 : 5,517,000.30 = 1,657,212.20 : x
  2. Step 2: Convert to fraction form
    3,678,000.20/5,517,000.30 = 1,657,212.20/x
  3. Step 3: Cross multiply
    3,678,000.20x = 5,517,000.30 × 1,657,212.20
  4. Step 4: Simplify right side
    3,678,000.20x = 9,142,840,204,563.66
  5. Step 5: Solve for x
    x = 9,142,840,204,563.66/3,678,000.20
  6. Step 6: Final answer
    x = 2,485,818.30

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Similar ratio
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1.5x scale

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.