Home / 5,433,487.40-8,150,231.10-1,646,478.20

Finding the Fourth Proportional to 5,433,487.40, 8,150,231.10 and 1,646,478.20

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Solution

The fourth proportional to 5,433,487.40, 8,150,231.10 and 1,646,478.20 is: 2,469,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,487.40 : 8,150,231.10 = 1,646,478.20 : x
  2. Step 2: Convert to fraction form
    5,433,487.40/8,150,231.10 = 1,646,478.20/x
  3. Step 3: Cross multiply
    5,433,487.40x = 8,150,231.10 × 1,646,478.20
  4. Step 4: Simplify right side
    5,433,487.40x = 13,419,177,831,112.02
  5. Step 5: Solve for x
    x = 13,419,177,831,112.02/5,433,487.40
  6. Step 6: Final answer
    x = 2,469,717.30

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Double scale
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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.