Home / 5,431,998.70-8,147,998.05-2,065,768.30

Finding the Fourth Proportional to 5,431,998.70, 8,147,998.05 and 2,065,768.30

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Solution

The fourth proportional to 5,431,998.70, 8,147,998.05 and 2,065,768.30 is: 3,098,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,998.70 : 8,147,998.05 = 2,065,768.30 : x
  2. Step 2: Convert to fraction form
    5,431,998.70/8,147,998.05 = 2,065,768.30/x
  3. Step 3: Cross multiply
    5,431,998.70x = 8,147,998.05 × 2,065,768.30
  4. Step 4: Simplify right side
    5,431,998.70x = 16,831,876,080,151.81
  5. Step 5: Solve for x
    x = 16,831,876,080,151.81/5,431,998.70
  6. Step 6: Final answer
    x = 3,098,652.45

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Similar ratio
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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.