Home / 1,974,155.64-2,962,413.20-1,813,542.36

Finding the Fourth Proportional to 1,974,155.64, 2,962,413.20 and 1,813,542.36

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Solution

The fourth proportional to 1,974,155.64, 2,962,413.20 and 1,813,542.36 is: 2,721,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,155.64 : 2,962,413.20 = 1,813,542.36 : x
  2. Step 2: Convert to fraction form
    1,974,155.64/2,962,413.20 = 1,813,542.36/x
  3. Step 3: Cross multiply
    1,974,155.64x = 2,962,413.20 × 1,813,542.36
  4. Step 4: Simplify right side
    1,974,155.64x = 5,372,461,826,023.15
  5. Step 5: Solve for x
    x = 5,372,461,826,023.15/1,974,155.64
  6. Step 6: Final answer
    x = 2,721,397.30

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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.