Home / 1,980,799.38-2,971,199.07-1,081,750.61

Finding the Fourth Proportional to 1,980,799.38, 2,971,199.07 and 1,081,750.61

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Solution

The fourth proportional to 1,980,799.38, 2,971,199.07 and 1,081,750.61 is: 1,622,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,799.38 : 2,971,199.07 = 1,081,750.61 : x
  2. Step 2: Convert to fraction form
    1,980,799.38/2,971,199.07 = 1,081,750.61/x
  3. Step 3: Cross multiply
    1,980,799.38x = 2,971,199.07 × 1,081,750.61
  4. Step 4: Simplify right side
    1,980,799.38x = 3,214,096,413,831.93
  5. Step 5: Solve for x
    x = 3,214,096,413,831.93/1,980,799.38
  6. Step 6: Final answer
    x = 1,622,625.92

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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.