Home / 6,389,043.28-8,816,812.96-3,488,425.20

Finding the Fourth Proportional to 6,389,043.28, 8,816,812.96 and 3,488,425.20

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Solution

The fourth proportional to 6,389,043.28, 8,816,812.96 and 3,488,425.20 is: 4,813,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,043.28 : 8,816,812.96 = 3,488,425.20 : x
  2. Step 2: Convert to fraction form
    6,389,043.28/8,816,812.96 = 3,488,425.20/x
  3. Step 3: Cross multiply
    6,389,043.28x = 8,816,812.96 × 3,488,425.20
  4. Step 4: Simplify right side
    6,389,043.28x = 30,756,792,513,350.60
  5. Step 5: Solve for x
    x = 30,756,792,513,350.60/6,389,043.28
  6. Step 6: Final answer
    x = 4,813,990.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.