Home / 3,339,775.20-5,010,829.20-1,209,928.80

Finding the Fourth Proportional to 3,339,775.20, 5,010,829.20 and 1,209,928.80

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Solution

The fourth proportional to 3,339,775.20, 5,010,829.20 and 1,209,928.80 is: 1,815,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339,775.20 : 5,010,829.20 = 1,209,928.80 : x
  2. Step 2: Convert to fraction form
    3,339,775.20/5,010,829.20 = 1,209,928.80/x
  3. Step 3: Cross multiply
    3,339,775.20x = 5,010,829.20 × 1,209,928.80
  4. Step 4: Simplify right side
    3,339,775.20x = 6,062,746,560,960.96
  5. Step 5: Solve for x
    x = 6,062,746,560,960.96/3,339,775.20
  6. Step 6: Final answer
    x = 1,815,315.76

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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.