Home / 5,148,131.35-7,104,422.18-2,856,286.57

Finding the Fourth Proportional to 5,148,131.35, 7,104,422.18 and 2,856,286.57

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Solution

The fourth proportional to 5,148,131.35, 7,104,422.18 and 2,856,286.57 is: 3,941,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,131.35 : 7,104,422.18 = 2,856,286.57 : x
  2. Step 2: Convert to fraction form
    5,148,131.35/7,104,422.18 = 2,856,286.57/x
  3. Step 3: Cross multiply
    5,148,131.35x = 7,104,422.18 × 2,856,286.57
  4. Step 4: Simplify right side
    5,148,131.35x = 20,292,265,660,344.12
  5. Step 5: Solve for x
    x = 20,292,265,660,344.12/5,148,131.35
  6. Step 6: Final answer
    x = 3,941,675.98

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1.5x scale

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.