Home / 2,801,860.55-4,202,793.99-780,108.92

Finding the Fourth Proportional to 2,801,860.55, 4,202,793.99 and 780,108.92

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Solution

The fourth proportional to 2,801,860.55, 4,202,793.99 and 780,108.92 is: 1,170,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,860.55 : 4,202,793.99 = 780,108.92 : x
  2. Step 2: Convert to fraction form
    2,801,860.55/4,202,793.99 = 780,108.92/x
  3. Step 3: Cross multiply
    2,801,860.55x = 4,202,793.99 × 780,108.92
  4. Step 4: Simplify right side
    2,801,860.55x = 3,278,637,080,521.39
  5. Step 5: Solve for x
    x = 3,278,637,080,521.39/2,801,860.55
  6. Step 6: Final answer
    x = 1,170,164.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.