Home / 3,320,281.20-4,980,421.80-2,928,370.80

Finding the Fourth Proportional to 3,320,281.20, 4,980,421.80 and 2,928,370.80

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Solution

The fourth proportional to 3,320,281.20, 4,980,421.80 and 2,928,370.80 is: 4,392,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,281.20 : 4,980,421.80 = 2,928,370.80 : x
  2. Step 2: Convert to fraction form
    3,320,281.20/4,980,421.80 = 2,928,370.80/x
  3. Step 3: Cross multiply
    3,320,281.20x = 4,980,421.80 × 2,928,370.80
  4. Step 4: Simplify right side
    3,320,281.20x = 14,584,521,770,803.44
  5. Step 5: Solve for x
    x = 14,584,521,770,803.44/3,320,281.20
  6. Step 6: Final answer
    x = 4,392,556.20

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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.