Home / 5,107,619.20-7,661,428.80-2,264,713.60

Finding the Fourth Proportional to 5,107,619.20, 7,661,428.80 and 2,264,713.60

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Solution

The fourth proportional to 5,107,619.20, 7,661,428.80 and 2,264,713.60 is: 3,397,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,619.20 : 7,661,428.80 = 2,264,713.60 : x
  2. Step 2: Convert to fraction form
    5,107,619.20/7,661,428.80 = 2,264,713.60/x
  3. Step 3: Cross multiply
    5,107,619.20x = 7,661,428.80 × 2,264,713.60
  4. Step 4: Simplify right side
    5,107,619.20x = 17,350,941,998,791.68
  5. Step 5: Solve for x
    x = 17,350,941,998,791.68/5,107,619.20
  6. Step 6: Final answer
    x = 3,397,070.40

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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.