Home / 2,140,454.16-3,206,711.43-1,531,987.02

Finding the Fourth Proportional to 2,140,454.16, 3,206,711.43 and 1,531,987.02

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Solution

The fourth proportional to 2,140,454.16, 3,206,711.43 and 1,531,987.02 is: 2,295,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,454.16 : 3,206,711.43 = 1,531,987.02 : x
  2. Step 2: Convert to fraction form
    2,140,454.16/3,206,711.43 = 1,531,987.02/x
  3. Step 3: Cross multiply
    2,140,454.16x = 3,206,711.43 × 1,531,987.02
  4. Step 4: Simplify right side
    2,140,454.16x = 4,912,640,287,645.64
  5. Step 5: Solve for x
    x = 4,912,640,287,645.64/2,140,454.16
  6. Step 6: Final answer
    x = 2,295,139.22

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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.