Home / 2,750,859.40-4,126,289.10-857,585.80

Finding the Fourth Proportional to 2,750,859.40, 4,126,289.10 and 857,585.80

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Solution

The fourth proportional to 2,750,859.40, 4,126,289.10 and 857,585.80 is: 1,286,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,859.40 : 4,126,289.10 = 857,585.80 : x
  2. Step 2: Convert to fraction form
    2,750,859.40/4,126,289.10 = 857,585.80/x
  3. Step 3: Cross multiply
    2,750,859.40x = 4,126,289.10 × 857,585.80
  4. Step 4: Simplify right side
    2,750,859.40x = 3,538,646,938,854.78
  5. Step 5: Solve for x
    x = 3,538,646,938,854.78/2,750,859.40
  6. Step 6: Final answer
    x = 1,286,378.70

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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.