Home / 3,186,979.12-4,397,919.60-1,791,498.16

Finding the Fourth Proportional to 3,186,979.12, 4,397,919.60 and 1,791,498.16

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Solution

The fourth proportional to 3,186,979.12, 4,397,919.60 and 1,791,498.16 is: 2,472,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,979.12 : 4,397,919.60 = 1,791,498.16 : x
  2. Step 2: Convert to fraction form
    3,186,979.12/4,397,919.60 = 1,791,498.16/x
  3. Step 3: Cross multiply
    3,186,979.12x = 4,397,919.60 × 1,791,498.16
  4. Step 4: Simplify right side
    3,186,979.12x = 7,878,864,871,227.94
  5. Step 5: Solve for x
    x = 7,878,864,871,227.94/3,186,979.12
  6. Step 6: Final answer
    x = 2,472,204.74

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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.