Home / 2,182,478.64-3,011,913.96-1,215,609.18

Finding the Fourth Proportional to 2,182,478.64, 3,011,913.96 and 1,215,609.18

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Solution

The fourth proportional to 2,182,478.64, 3,011,913.96 and 1,215,609.18 is: 1,677,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,478.64 : 3,011,913.96 = 1,215,609.18 : x
  2. Step 2: Convert to fraction form
    2,182,478.64/3,011,913.96 = 1,215,609.18/x
  3. Step 3: Cross multiply
    2,182,478.64x = 3,011,913.96 × 1,215,609.18
  4. Step 4: Simplify right side
    2,182,478.64x = 3,661,310,259,146.15
  5. Step 5: Solve for x
    x = 3,661,310,259,146.15/2,182,478.64
  6. Step 6: Final answer
    x = 1,677,592.71

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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.