Home / 5,135,565.30-7,086,993.30-2,843,676.78

Finding the Fourth Proportional to 5,135,565.30, 7,086,993.30 and 2,843,676.78

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Solution

The fourth proportional to 5,135,565.30, 7,086,993.30 and 2,843,676.78 is: 3,924,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,565.30 : 7,086,993.30 = 2,843,676.78 : x
  2. Step 2: Convert to fraction form
    5,135,565.30/7,086,993.30 = 2,843,676.78/x
  3. Step 3: Cross multiply
    5,135,565.30x = 7,086,993.30 × 2,843,676.78
  4. Step 4: Simplify right side
    5,135,565.30x = 20,153,118,287,225.57
  5. Step 5: Solve for x
    x = 20,153,118,287,225.57/5,135,565.30
  6. Step 6: Final answer
    x = 3,924,225.89

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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.