Home / 2,185,616.16-3,278,818.80-988,102.44

Finding the Fourth Proportional to 2,185,616.16, 3,278,818.80 and 988,102.44

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Solution

The fourth proportional to 2,185,616.16, 3,278,818.80 and 988,102.44 is: 1,482,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,616.16 : 3,278,818.80 = 988,102.44 : x
  2. Step 2: Convert to fraction form
    2,185,616.16/3,278,818.80 = 988,102.44/x
  3. Step 3: Cross multiply
    2,185,616.16x = 3,278,818.80 × 988,102.44
  4. Step 4: Simplify right side
    2,185,616.16x = 3,239,808,856,597.87
  5. Step 5: Solve for x
    x = 3,239,808,856,597.87/2,185,616.16
  6. Step 6: Final answer
    x = 1,482,332.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.