Home / 3,996,385.75-5,515,143.56-2,185,549.75

Finding the Fourth Proportional to 3,996,385.75, 5,515,143.56 and 2,185,549.75

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Solution

The fourth proportional to 3,996,385.75, 5,515,143.56 and 2,185,549.75 is: 3,016,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,385.75 : 5,515,143.56 = 2,185,549.75 : x
  2. Step 2: Convert to fraction form
    3,996,385.75/5,515,143.56 = 2,185,549.75/x
  3. Step 3: Cross multiply
    3,996,385.75x = 5,515,143.56 × 2,185,549.75
  4. Step 4: Simplify right side
    3,996,385.75x = 12,053,620,628,772.11
  5. Step 5: Solve for x
    x = 12,053,620,628,772.11/3,996,385.75
  6. Step 6: Final answer
    x = 3,016,130.42

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1.5x scale

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.