Home / 3,120,342.60-4,681,032.30-1,227,145.80

Finding the Fourth Proportional to 3,120,342.60, 4,681,032.30 and 1,227,145.80

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Solution

The fourth proportional to 3,120,342.60, 4,681,032.30 and 1,227,145.80 is: 1,840,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,342.60 : 4,681,032.30 = 1,227,145.80 : x
  2. Step 2: Convert to fraction form
    3,120,342.60/4,681,032.30 = 1,227,145.80/x
  3. Step 3: Cross multiply
    3,120,342.60x = 4,681,032.30 × 1,227,145.80
  4. Step 4: Simplify right side
    3,120,342.60x = 5,744,309,126,609.34
  5. Step 5: Solve for x
    x = 5,744,309,126,609.34/3,120,342.60
  6. Step 6: Final answer
    x = 1,840,922.57

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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.