Home / 5,158,687.80-7,118,847.18-2,866,789.56

Finding the Fourth Proportional to 5,158,687.80, 7,118,847.18 and 2,866,789.56

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Solution

The fourth proportional to 5,158,687.80, 7,118,847.18 and 2,866,789.56 is: 3,956,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,687.80 : 7,118,847.18 = 2,866,789.56 : x
  2. Step 2: Convert to fraction form
    5,158,687.80/7,118,847.18 = 2,866,789.56/x
  3. Step 3: Cross multiply
    5,158,687.80x = 7,118,847.18 × 2,866,789.56
  4. Step 4: Simplify right side
    5,158,687.80x = 20,408,236,774,859.44
  5. Step 5: Solve for x
    x = 20,408,236,774,859.44/5,158,687.80
  6. Step 6: Final answer
    x = 3,956,090.69

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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.