Home / 2,200,421.20-3,300,631.80-1,486,584.40

Finding the Fourth Proportional to 2,200,421.20, 3,300,631.80 and 1,486,584.40

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Solution

The fourth proportional to 2,200,421.20, 3,300,631.80 and 1,486,584.40 is: 2,229,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,421.20 : 3,300,631.80 = 1,486,584.40 : x
  2. Step 2: Convert to fraction form
    2,200,421.20/3,300,631.80 = 1,486,584.40/x
  3. Step 3: Cross multiply
    2,200,421.20x = 3,300,631.80 × 1,486,584.40
  4. Step 4: Simplify right side
    2,200,421.20x = 4,906,667,744,023.92
  5. Step 5: Solve for x
    x = 4,906,667,744,023.92/2,200,421.20
  6. Step 6: Final answer
    x = 2,229,876.60

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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.