Home / 2,238,862.60-3,354,600.30-1,290,579.40

Finding the Fourth Proportional to 2,238,862.60, 3,354,600.30 and 1,290,579.40

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Solution

The fourth proportional to 2,238,862.60, 3,354,600.30 and 1,290,579.40 is: 1,933,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,862.60 : 3,354,600.30 = 1,290,579.40 : x
  2. Step 2: Convert to fraction form
    2,238,862.60/3,354,600.30 = 1,290,579.40/x
  3. Step 3: Cross multiply
    2,238,862.60x = 3,354,600.30 × 1,290,579.40
  4. Step 4: Simplify right side
    2,238,862.60x = 4,329,378,042,413.82
  5. Step 5: Solve for x
    x = 4,329,378,042,413.82/2,238,862.60
  6. Step 6: Final answer
    x = 1,933,739.95

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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.