Home / 5,431,805.70-8,147,708.55-2,065,575.30

Finding the Fourth Proportional to 5,431,805.70, 8,147,708.55 and 2,065,575.30

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Solution

The fourth proportional to 5,431,805.70, 8,147,708.55 and 2,065,575.30 is: 3,098,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,805.70 : 8,147,708.55 = 2,065,575.30 : x
  2. Step 2: Convert to fraction form
    5,431,805.70/8,147,708.55 = 2,065,575.30/x
  3. Step 3: Cross multiply
    5,431,805.70x = 8,147,708.55 × 2,065,575.30
  4. Step 4: Simplify right side
    5,431,805.70x = 16,829,705,532,478.81
  5. Step 5: Solve for x
    x = 16,829,705,532,478.81/5,431,805.70
  6. Step 6: Final answer
    x = 3,098,362.95

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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.