Home / 5,115,311.88-7,059,131-2,823,473.20

Finding the Fourth Proportional to 5,115,311.88, 7,059,131 and 2,823,473.20

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Solution

The fourth proportional to 5,115,311.88, 7,059,131 and 2,823,473.20 is: 3,896,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,311.88 : 7,059,131 = 2,823,473.20 : x
  2. Step 2: Convert to fraction form
    5,115,311.88/7,059,131 = 2,823,473.20/x
  3. Step 3: Cross multiply
    5,115,311.88x = 7,059,131 × 2,823,473.20
  4. Step 4: Simplify right side
    5,115,311.88x = 19,931,267,193,789.20
  5. Step 5: Solve for x
    x = 19,931,267,193,789.20/5,115,311.88
  6. Step 6: Final answer
    x = 3,896,393.35

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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.