Home / 6,517,891.80-9,781,503.30-3,674,986.20

Finding the Fourth Proportional to 6,517,891.80, 9,781,503.30 and 3,674,986.20

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Solution

The fourth proportional to 6,517,891.80, 9,781,503.30 and 3,674,986.20 is: 5,515,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517,891.80 : 9,781,503.30 = 3,674,986.20 : x
  2. Step 2: Convert to fraction form
    6,517,891.80/9,781,503.30 = 3,674,986.20/x
  3. Step 3: Cross multiply
    6,517,891.80x = 9,781,503.30 × 3,674,986.20
  4. Step 4: Simplify right side
    6,517,891.80x = 35,946,889,642,754.46
  5. Step 5: Solve for x
    x = 35,946,889,642,754.46/6,517,891.80
  6. Step 6: Final answer
    x = 5,515,109.91

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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.