Home / 4,381,881.20-6,572,821.80-3,318,999.20

Finding the Fourth Proportional to 4,381,881.20, 6,572,821.80 and 3,318,999.20

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Solution

The fourth proportional to 4,381,881.20, 6,572,821.80 and 3,318,999.20 is: 4,978,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381,881.20 : 6,572,821.80 = 3,318,999.20 : x
  2. Step 2: Convert to fraction form
    4,381,881.20/6,572,821.80 = 3,318,999.20/x
  3. Step 3: Cross multiply
    4,381,881.20x = 6,572,821.80 × 3,318,999.20
  4. Step 4: Simplify right side
    4,381,881.20x = 21,815,190,295,942.56
  5. Step 5: Solve for x
    x = 21,815,190,295,942.56/4,381,881.20
  6. Step 6: Final answer
    x = 4,978,498.80

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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.