Home / 2,123,263.86-3,177,413.01-1,324,921.38

Finding the Fourth Proportional to 2,123,263.86, 3,177,413.01 and 1,324,921.38

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Solution

The fourth proportional to 2,123,263.86, 3,177,413.01 and 1,324,921.38 is: 1,982,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,263.86 : 3,177,413.01 = 1,324,921.38 : x
  2. Step 2: Convert to fraction form
    2,123,263.86/3,177,413.01 = 1,324,921.38/x
  3. Step 3: Cross multiply
    2,123,263.86x = 3,177,413.01 × 1,324,921.38
  4. Step 4: Simplify right side
    2,123,263.86x = 4,209,822,430,039.15
  5. Step 5: Solve for x
    x = 4,209,822,430,039.15/2,123,263.86
  6. Step 6: Final answer
    x = 1,982,712.80

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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.