Home / 3,156,986.43-4,734,007.38-1,640,261.61

Finding the Fourth Proportional to 3,156,986.43, 4,734,007.38 and 1,640,261.61

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Solution

The fourth proportional to 3,156,986.43, 4,734,007.38 and 1,640,261.61 is: 2,459,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,986.43 : 4,734,007.38 = 1,640,261.61 : x
  2. Step 2: Convert to fraction form
    3,156,986.43/4,734,007.38 = 1,640,261.61/x
  3. Step 3: Cross multiply
    3,156,986.43x = 4,734,007.38 × 1,640,261.61
  4. Step 4: Simplify right side
    3,156,986.43x = 7,765,010,566,870.68
  5. Step 5: Solve for x
    x = 7,765,010,566,870.68/3,156,986.43
  6. Step 6: Final answer
    x = 2,459,627.48

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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.