Home / 2,915,390.80-4,023,236.55-1,626,230.44

Finding the Fourth Proportional to 2,915,390.80, 4,023,236.55 and 1,626,230.44

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Solution

The fourth proportional to 2,915,390.80, 4,023,236.55 and 1,626,230.44 is: 2,244,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,390.80 : 4,023,236.55 = 1,626,230.44 : x
  2. Step 2: Convert to fraction form
    2,915,390.80/4,023,236.55 = 1,626,230.44/x
  3. Step 3: Cross multiply
    2,915,390.80x = 4,023,236.55 × 1,626,230.44
  4. Step 4: Simplify right side
    2,915,390.80x = 6,542,709,744,930.58
  5. Step 5: Solve for x
    x = 6,542,709,744,930.58/2,915,390.80
  6. Step 6: Final answer
    x = 2,244,196.47

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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.