Home / 5,135,567.30-7,086,996.06-2,843,678.78

Finding the Fourth Proportional to 5,135,567.30, 7,086,996.06 and 2,843,678.78

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Solution

The fourth proportional to 5,135,567.30, 7,086,996.06 and 2,843,678.78 is: 3,924,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,567.30 : 7,086,996.06 = 2,843,678.78 : x
  2. Step 2: Convert to fraction form
    5,135,567.30/7,086,996.06 = 2,843,678.78/x
  3. Step 3: Cross multiply
    5,135,567.30x = 7,086,996.06 × 2,843,678.78
  4. Step 4: Simplify right side
    5,135,567.30x = 20,153,140,309,765.61
  5. Step 5: Solve for x
    x = 20,153,140,309,765.61/5,135,567.30
  6. Step 6: Final answer
    x = 3,924,228.65

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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.