Home / 3,188,860.52-4,781,883.44-913,868.60

Finding the Fourth Proportional to 3,188,860.52, 4,781,883.44 and 913,868.60

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Solution

The fourth proportional to 3,188,860.52, 4,781,883.44 and 913,868.60 is: 1,370,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,860.52 : 4,781,883.44 = 913,868.60 : x
  2. Step 2: Convert to fraction form
    3,188,860.52/4,781,883.44 = 913,868.60/x
  3. Step 3: Cross multiply
    3,188,860.52x = 4,781,883.44 × 913,868.60
  4. Step 4: Simplify right side
    3,188,860.52x = 4,370,013,124,675.98
  5. Step 5: Solve for x
    x = 4,370,013,124,675.98/3,188,860.52
  6. Step 6: Final answer
    x = 1,370,399.58

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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.