Home / 6,343,999.67-8,754,728.40-3,443,391.20

Finding the Fourth Proportional to 6,343,999.67, 8,754,728.40 and 3,443,391.20

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Solution

The fourth proportional to 6,343,999.67, 8,754,728.40 and 3,443,391.20 is: 4,751,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343,999.67 : 8,754,728.40 = 3,443,391.20 : x
  2. Step 2: Convert to fraction form
    6,343,999.67/8,754,728.40 = 3,443,391.20/x
  3. Step 3: Cross multiply
    6,343,999.67x = 8,754,728.40 × 3,443,391.20
  4. Step 4: Simplify right side
    6,343,999.67x = 30,145,954,687,176.44
  5. Step 5: Solve for x
    x = 30,145,954,687,176.44/6,343,999.67
  6. Step 6: Final answer
    x = 4,751,884.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.