Home / 3,996,127.80-5,517,177.98-2,772,005.13

Finding the Fourth Proportional to 3,996,127.80, 5,517,177.98 and 2,772,005.13

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Solution

The fourth proportional to 3,996,127.80, 5,517,177.98 and 2,772,005.13 is: 3,827,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,127.80 : 5,517,177.98 = 2,772,005.13 : x
  2. Step 2: Convert to fraction form
    3,996,127.80/5,517,177.98 = 2,772,005.13/x
  3. Step 3: Cross multiply
    3,996,127.80x = 5,517,177.98 × 2,772,005.13
  4. Step 4: Simplify right side
    3,996,127.80x = 15,293,645,649,823.01
  5. Step 5: Solve for x
    x = 15,293,645,649,823.01/3,996,127.80
  6. Step 6: Final answer
    x = 3,827,116.25

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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.