Home / 2,257,311.52-3,115,128-1,238,811.04

Finding the Fourth Proportional to 2,257,311.52, 3,115,128 and 1,238,811.04

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Solution

The fourth proportional to 2,257,311.52, 3,115,128 and 1,238,811.04 is: 1,709,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,311.52 : 3,115,128 = 1,238,811.04 : x
  2. Step 2: Convert to fraction form
    2,257,311.52/3,115,128 = 1,238,811.04/x
  3. Step 3: Cross multiply
    2,257,311.52x = 3,115,128 × 1,238,811.04
  4. Step 4: Simplify right side
    2,257,311.52x = 3,859,054,957,413.12
  5. Step 5: Solve for x
    x = 3,859,054,957,413.12/2,257,311.52
  6. Step 6: Final answer
    x = 1,709,580.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.