Home / 3,900,990.56-5,847,647.28-2,279,701.60

Finding the Fourth Proportional to 3,900,990.56, 5,847,647.28 and 2,279,701.60

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Solution

The fourth proportional to 3,900,990.56, 5,847,647.28 and 2,279,701.60 is: 3,417,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,990.56 : 5,847,647.28 = 2,279,701.60 : x
  2. Step 2: Convert to fraction form
    3,900,990.56/5,847,647.28 = 2,279,701.60/x
  3. Step 3: Cross multiply
    3,900,990.56x = 5,847,647.28 × 2,279,701.60
  4. Step 4: Simplify right side
    3,900,990.56x = 13,330,890,860,451.65
  5. Step 5: Solve for x
    x = 13,330,890,860,451.65/3,900,990.56
  6. Step 6: Final answer
    x = 3,417,309.18

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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.