Home / 2,275,617.80-3,140,447.92-1,308,748.75

Finding the Fourth Proportional to 2,275,617.80, 3,140,447.92 and 1,308,748.75

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Solution

The fourth proportional to 2,275,617.80, 3,140,447.92 and 1,308,748.75 is: 1,806,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,617.80 : 3,140,447.92 = 1,308,748.75 : x
  2. Step 2: Convert to fraction form
    2,275,617.80/3,140,447.92 = 1,308,748.75/x
  3. Step 3: Cross multiply
    2,275,617.80x = 3,140,447.92 × 1,308,748.75
  4. Step 4: Simplify right side
    2,275,617.80x = 4,110,057,289,740.10
  5. Step 5: Solve for x
    x = 4,110,057,289,740.10/2,275,617.80
  6. Step 6: Final answer
    x = 1,806,128.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.