Home / 6,487,561.31-9,731,351.44-2,649,383.78

Finding the Fourth Proportional to 6,487,561.31, 9,731,351.44 and 2,649,383.78

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Solution

The fourth proportional to 6,487,561.31, 9,731,351.44 and 2,649,383.78 is: 3,974,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487,561.31 : 9,731,351.44 = 2,649,383.78 : x
  2. Step 2: Convert to fraction form
    6,487,561.31/9,731,351.44 = 2,649,383.78/x
  3. Step 3: Cross multiply
    6,487,561.31x = 9,731,351.44 × 2,649,383.78
  4. Step 4: Simplify right side
    6,487,561.31x = 25,782,084,643,828.00
  5. Step 5: Solve for x
    x = 25,782,084,643,828.00/6,487,561.31
  6. Step 6: Final answer
    x = 3,974,079.53

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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.