Home / 2,713,739.90-4,071,200.33-820,432.13

Finding the Fourth Proportional to 2,713,739.90, 4,071,200.33 and 820,432.13

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Solution

The fourth proportional to 2,713,739.90, 4,071,200.33 and 820,432.13 is: 1,230,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,739.90 : 4,071,200.33 = 820,432.13 : x
  2. Step 2: Convert to fraction form
    2,713,739.90/4,071,200.33 = 820,432.13/x
  3. Step 3: Cross multiply
    2,713,739.90x = 4,071,200.33 × 820,432.13
  4. Step 4: Simplify right side
    2,713,739.90x = 3,340,143,540,093.68
  5. Step 5: Solve for x
    x = 3,340,143,540,093.68/2,713,739.90
  6. Step 6: Final answer
    x = 1,230,826.71

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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.