Home / 4,921,003.20-7,381,504.80-4,389,124.80

Finding the Fourth Proportional to 4,921,003.20, 7,381,504.80 and 4,389,124.80

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Solution

The fourth proportional to 4,921,003.20, 7,381,504.80 and 4,389,124.80 is: 6,583,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,003.20 : 7,381,504.80 = 4,389,124.80 : x
  2. Step 2: Convert to fraction form
    4,921,003.20/7,381,504.80 = 4,389,124.80/x
  3. Step 3: Cross multiply
    4,921,003.20x = 7,381,504.80 × 4,389,124.80
  4. Step 4: Simplify right side
    4,921,003.20x = 32,398,345,778,999.04
  5. Step 5: Solve for x
    x = 32,398,345,778,999.04/4,921,003.20
  6. Step 6: Final answer
    x = 6,583,687.20

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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.