Home / 3,817,689.60-5,268,422.40-2,186,121.60

Finding the Fourth Proportional to 3,817,689.60, 5,268,422.40 and 2,186,121.60

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Solution

The fourth proportional to 3,817,689.60, 5,268,422.40 and 2,186,121.60 is: 3,016,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817,689.60 : 5,268,422.40 = 2,186,121.60 : x
  2. Step 2: Convert to fraction form
    3,817,689.60/5,268,422.40 = 2,186,121.60/x
  3. Step 3: Cross multiply
    3,817,689.60x = 5,268,422.40 × 2,186,121.60
  4. Step 4: Simplify right side
    3,817,689.60x = 11,517,412,006,563.84
  5. Step 5: Solve for x
    x = 11,517,412,006,563.84/3,817,689.60
  6. Step 6: Final answer
    x = 3,016,853.96

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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.