Home / 4,815,998.82-7,223,915.61-1,621,124.73

Finding the Fourth Proportional to 4,815,998.82, 7,223,915.61 and 1,621,124.73

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Solution

The fourth proportional to 4,815,998.82, 7,223,915.61 and 1,621,124.73 is: 2,431,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,998.82 : 7,223,915.61 = 1,621,124.73 : x
  2. Step 2: Convert to fraction form
    4,815,998.82/7,223,915.61 = 1,621,124.73/x
  3. Step 3: Cross multiply
    4,815,998.82x = 7,223,915.61 × 1,621,124.73
  4. Step 4: Simplify right side
    4,815,998.82x = 11,710,868,242,804.04
  5. Step 5: Solve for x
    x = 11,710,868,242,804.04/4,815,998.82
  6. Step 6: Final answer
    x = 2,431,659.28

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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.