Home / 2,393,200.80-3,589,801.20-1,721,354.40

Finding the Fourth Proportional to 2,393,200.80, 3,589,801.20 and 1,721,354.40

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Solution

The fourth proportional to 2,393,200.80, 3,589,801.20 and 1,721,354.40 is: 2,582,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393,200.80 : 3,589,801.20 = 1,721,354.40 : x
  2. Step 2: Convert to fraction form
    2,393,200.80/3,589,801.20 = 1,721,354.40/x
  3. Step 3: Cross multiply
    2,393,200.80x = 3,589,801.20 × 1,721,354.40
  4. Step 4: Simplify right side
    2,393,200.80x = 6,179,320,090,745.28
  5. Step 5: Solve for x
    x = 6,179,320,090,745.28/2,393,200.80
  6. Step 6: Final answer
    x = 2,582,031.60

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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.