Home / 3,218,820.60-4,828,230.90-1,449,348.60

Finding the Fourth Proportional to 3,218,820.60, 4,828,230.90 and 1,449,348.60

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Solution

The fourth proportional to 3,218,820.60, 4,828,230.90 and 1,449,348.60 is: 2,174,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,820.60 : 4,828,230.90 = 1,449,348.60 : x
  2. Step 2: Convert to fraction form
    3,218,820.60/4,828,230.90 = 1,449,348.60/x
  3. Step 3: Cross multiply
    3,218,820.60x = 4,828,230.90 × 1,449,348.60
  4. Step 4: Simplify right side
    3,218,820.60x = 6,997,789,695,391.74
  5. Step 5: Solve for x
    x = 6,997,789,695,391.74/3,218,820.60
  6. Step 6: Final answer
    x = 2,174,022.90

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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.