Home / 3,649,622.40-5,474,433.60-990,230.40

Finding the Fourth Proportional to 3,649,622.40, 5,474,433.60 and 990,230.40

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Solution

The fourth proportional to 3,649,622.40, 5,474,433.60 and 990,230.40 is: 1,485,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649,622.40 : 5,474,433.60 = 990,230.40 : x
  2. Step 2: Convert to fraction form
    3,649,622.40/5,474,433.60 = 990,230.40/x
  3. Step 3: Cross multiply
    3,649,622.40x = 5,474,433.60 × 990,230.40
  4. Step 4: Simplify right side
    3,649,622.40x = 5,420,950,573,501.44
  5. Step 5: Solve for x
    x = 5,420,950,573,501.44/3,649,622.40
  6. Step 6: Final answer
    x = 1,485,345.60

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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.