Home / 2,124,273.72-3,186,407.68-986,413.71

Finding the Fourth Proportional to 2,124,273.72, 3,186,407.68 and 986,413.71

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Solution

The fourth proportional to 2,124,273.72, 3,186,407.68 and 986,413.71 is: 1,479,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,273.72 : 3,186,407.68 = 986,413.71 : x
  2. Step 2: Convert to fraction form
    2,124,273.72/3,186,407.68 = 986,413.71/x
  3. Step 3: Cross multiply
    2,124,273.72x = 3,186,407.68 × 986,413.71
  4. Step 4: Simplify right side
    2,124,273.72x = 3,143,116,221,201.29
  5. Step 5: Solve for x
    x = 3,143,116,221,201.29/2,124,273.72
  6. Step 6: Final answer
    x = 1,479,619.22

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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.