Home / 3,998,116.56-5,517,400.86-2,162,574.75

Finding the Fourth Proportional to 3,998,116.56, 5,517,400.86 and 2,162,574.75

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Solution

The fourth proportional to 3,998,116.56, 5,517,400.86 and 2,162,574.75 is: 2,984,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,116.56 : 5,517,400.86 = 2,162,574.75 : x
  2. Step 2: Convert to fraction form
    3,998,116.56/5,517,400.86 = 2,162,574.75/x
  3. Step 3: Cross multiply
    3,998,116.56x = 5,517,400.86 × 2,162,574.75
  4. Step 4: Simplify right side
    3,998,116.56x = 11,931,791,785,464.29
  5. Step 5: Solve for x
    x = 11,931,791,785,464.29/3,998,116.56
  6. Step 6: Final answer
    x = 2,984,353.16

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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.