Home / 3,320,225.20-4,980,337.80-1,879,429.60

Finding the Fourth Proportional to 3,320,225.20, 4,980,337.80 and 1,879,429.60

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Solution

The fourth proportional to 3,320,225.20, 4,980,337.80 and 1,879,429.60 is: 2,819,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,225.20 : 4,980,337.80 = 1,879,429.60 : x
  2. Step 2: Convert to fraction form
    3,320,225.20/4,980,337.80 = 1,879,429.60/x
  3. Step 3: Cross multiply
    3,320,225.20x = 4,980,337.80 × 1,879,429.60
  4. Step 4: Simplify right side
    3,320,225.20x = 9,360,194,279,318.88
  5. Step 5: Solve for x
    x = 9,360,194,279,318.88/3,320,225.20
  6. Step 6: Final answer
    x = 2,819,144.40

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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.