Home / 6,517,883.80-9,781,491.30-3,674,978.20

Finding the Fourth Proportional to 6,517,883.80, 9,781,491.30 and 3,674,978.20

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Solution

The fourth proportional to 6,517,883.80, 9,781,491.30 and 3,674,978.20 is: 5,515,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517,883.80 : 9,781,491.30 = 3,674,978.20 : x
  2. Step 2: Convert to fraction form
    6,517,883.80/9,781,491.30 = 3,674,978.20/x
  3. Step 3: Cross multiply
    6,517,883.80x = 9,781,491.30 × 3,674,978.20
  4. Step 4: Simplify right side
    6,517,883.80x = 35,946,767,290,989.66
  5. Step 5: Solve for x
    x = 35,946,767,290,989.66/6,517,883.80
  6. Step 6: Final answer
    x = 5,515,097.91

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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.