Home / 3,649,855.47-5,036,729.36-2,018,321.07

Finding the Fourth Proportional to 3,649,855.47, 5,036,729.36 and 2,018,321.07

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Solution

The fourth proportional to 3,649,855.47, 5,036,729.36 and 2,018,321.07 is: 2,785,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649,855.47 : 5,036,729.36 = 2,018,321.07 : x
  2. Step 2: Convert to fraction form
    3,649,855.47/5,036,729.36 = 2,018,321.07/x
  3. Step 3: Cross multiply
    3,649,855.47x = 5,036,729.36 × 2,018,321.07
  4. Step 4: Simplify right side
    3,649,855.47x = 10,165,736,981,084.01
  5. Step 5: Solve for x
    x = 10,165,736,981,084.01/3,649,855.47
  6. Step 6: Final answer
    x = 2,785,243.71

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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.