Home / 2,290,581.72-3,161,008.44-1,271,986.44

Finding the Fourth Proportional to 2,290,581.72, 3,161,008.44 and 1,271,986.44

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Solution

The fourth proportional to 2,290,581.72, 3,161,008.44 and 1,271,986.44 is: 1,755,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,581.72 : 3,161,008.44 = 1,271,986.44 : x
  2. Step 2: Convert to fraction form
    2,290,581.72/3,161,008.44 = 1,271,986.44/x
  3. Step 3: Cross multiply
    2,290,581.72x = 3,161,008.44 × 1,271,986.44
  4. Step 4: Simplify right side
    2,290,581.72x = 4,020,759,872,405.55
  5. Step 5: Solve for x
    x = 4,020,759,872,405.55/2,290,581.72
  6. Step 6: Final answer
    x = 1,755,344.43

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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.