Home / 6,338,321.20-9,507,481.80-3,818,897.20

Finding the Fourth Proportional to 6,338,321.20, 9,507,481.80 and 3,818,897.20

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Solution

The fourth proportional to 6,338,321.20, 9,507,481.80 and 3,818,897.20 is: 5,728,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338,321.20 : 9,507,481.80 = 3,818,897.20 : x
  2. Step 2: Convert to fraction form
    6,338,321.20/9,507,481.80 = 3,818,897.20/x
  3. Step 3: Cross multiply
    6,338,321.20x = 9,507,481.80 × 3,818,897.20
  4. Step 4: Simplify right side
    6,338,321.20x = 36,308,095,625,070.96
  5. Step 5: Solve for x
    x = 36,308,095,625,070.96/6,338,321.20
  6. Step 6: Final answer
    x = 5,728,345.80

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Similar ratio
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1.5x scale

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.