Home / 6,309,310.40-9,463,965.60-3,787,812.80

Finding the Fourth Proportional to 6,309,310.40, 9,463,965.60 and 3,787,812.80

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Solution

The fourth proportional to 6,309,310.40, 9,463,965.60 and 3,787,812.80 is: 5,681,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309,310.40 : 9,463,965.60 = 3,787,812.80 : x
  2. Step 2: Convert to fraction form
    6,309,310.40/9,463,965.60 = 3,787,812.80/x
  3. Step 3: Cross multiply
    6,309,310.40x = 9,463,965.60 × 3,787,812.80
  4. Step 4: Simplify right side
    6,309,310.40x = 35,847,730,038,439.68
  5. Step 5: Solve for x
    x = 35,847,730,038,439.68/6,309,310.40
  6. Step 6: Final answer
    x = 5,681,719.20

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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.