Home / 2,748,202.80-4,123,168.20-1,328,305.20

Finding the Fourth Proportional to 2,748,202.80, 4,123,168.20 and 1,328,305.20

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Solution

The fourth proportional to 2,748,202.80, 4,123,168.20 and 1,328,305.20 is: 1,992,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,202.80 : 4,123,168.20 = 1,328,305.20 : x
  2. Step 2: Convert to fraction form
    2,748,202.80/4,123,168.20 = 1,328,305.20/x
  3. Step 3: Cross multiply
    2,748,202.80x = 4,123,168.20 × 1,328,305.20
  4. Step 4: Simplify right side
    2,748,202.80x = 5,476,825,760,534.64
  5. Step 5: Solve for x
    x = 5,476,825,760,534.64/2,748,202.80
  6. Step 6: Final answer
    x = 1,992,875.40

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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.