Home / 5,135,456.29-7,086,843.12-2,843,567.77

Finding the Fourth Proportional to 5,135,456.29, 7,086,843.12 and 2,843,567.77

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Solution

The fourth proportional to 5,135,456.29, 7,086,843.12 and 2,843,567.77 is: 3,924,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,456.29 : 7,086,843.12 = 2,843,567.77 : x
  2. Step 2: Convert to fraction form
    5,135,456.29/7,086,843.12 = 2,843,567.77/x
  3. Step 3: Cross multiply
    5,135,456.29x = 7,086,843.12 × 2,843,567.77
  4. Step 4: Simplify right side
    5,135,456.29x = 20,151,918,687,078.24
  5. Step 5: Solve for x
    x = 20,151,918,687,078.24/5,135,456.29
  6. Step 6: Final answer
    x = 3,924,075.59

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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.