Home / 3,507,998.40-5,261,997.60-984,081.60

Finding the Fourth Proportional to 3,507,998.40, 5,261,997.60 and 984,081.60

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Solution

The fourth proportional to 3,507,998.40, 5,261,997.60 and 984,081.60 is: 1,476,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,998.40 : 5,261,997.60 = 984,081.60 : x
  2. Step 2: Convert to fraction form
    3,507,998.40/5,261,997.60 = 984,081.60/x
  3. Step 3: Cross multiply
    3,507,998.40x = 5,261,997.60 × 984,081.60
  4. Step 4: Simplify right side
    3,507,998.40x = 5,178,235,017,404.16
  5. Step 5: Solve for x
    x = 5,178,235,017,404.16/3,507,998.40
  6. Step 6: Final answer
    x = 1,476,122.40

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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.