Home / 3,618,000.10-5,427,000.15-922,320.10

Finding the Fourth Proportional to 3,618,000.10, 5,427,000.15 and 922,320.10

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Solution

The fourth proportional to 3,618,000.10, 5,427,000.15 and 922,320.10 is: 1,383,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,000.10 : 5,427,000.15 = 922,320.10 : x
  2. Step 2: Convert to fraction form
    3,618,000.10/5,427,000.15 = 922,320.10/x
  3. Step 3: Cross multiply
    3,618,000.10x = 5,427,000.15 × 922,320.10
  4. Step 4: Simplify right side
    3,618,000.10x = 5,005,431,321,048.02
  5. Step 5: Solve for x
    x = 5,005,431,321,048.02/3,618,000.10
  6. Step 6: Final answer
    x = 1,383,480.15

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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.