Home / 6,506,999.20-9,760,498.80-3,147,767.20

Finding the Fourth Proportional to 6,506,999.20, 9,760,498.80 and 3,147,767.20

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Solution

The fourth proportional to 6,506,999.20, 9,760,498.80 and 3,147,767.20 is: 4,721,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,999.20 : 9,760,498.80 = 3,147,767.20 : x
  2. Step 2: Convert to fraction form
    6,506,999.20/9,760,498.80 = 3,147,767.20/x
  3. Step 3: Cross multiply
    6,506,999.20x = 9,760,498.80 × 3,147,767.20
  4. Step 4: Simplify right side
    6,506,999.20x = 30,723,777,978,279.36
  5. Step 5: Solve for x
    x = 30,723,777,978,279.36/6,506,999.20
  6. Step 6: Final answer
    x = 4,721,650.80

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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.