Home / 6,455,998.40-9,683,997.60-3,936,574.40

Finding the Fourth Proportional to 6,455,998.40, 9,683,997.60 and 3,936,574.40

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Solution

The fourth proportional to 6,455,998.40, 9,683,997.60 and 3,936,574.40 is: 5,904,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455,998.40 : 9,683,997.60 = 3,936,574.40 : x
  2. Step 2: Convert to fraction form
    6,455,998.40/9,683,997.60 = 3,936,574.40/x
  3. Step 3: Cross multiply
    6,455,998.40x = 9,683,997.60 × 3,936,574.40
  4. Step 4: Simplify right side
    6,455,998.40x = 38,121,777,041,821.44
  5. Step 5: Solve for x
    x = 38,121,777,041,821.44/6,455,998.40
  6. Step 6: Final answer
    x = 5,904,861.60

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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.