Home / 3,422,323.38-5,138,531.57-1,908,963.12

Finding the Fourth Proportional to 3,422,323.38, 5,138,531.57 and 1,908,963.12

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Solution

The fourth proportional to 3,422,323.38, 5,138,531.57 and 1,908,963.12 is: 2,866,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,323.38 : 5,138,531.57 = 1,908,963.12 : x
  2. Step 2: Convert to fraction form
    3,422,323.38/5,138,531.57 = 1,908,963.12/x
  3. Step 3: Cross multiply
    3,422,323.38x = 5,138,531.57 × 1,908,963.12
  4. Step 4: Simplify right side
    3,422,323.38x = 9,809,267,258,085.70
  5. Step 5: Solve for x
    x = 9,809,267,258,085.70/3,422,323.38
  6. Step 6: Final answer
    x = 2,866,259.60

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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.