Home / 2,949,819.12-4,424,703.96-819,897

Finding the Fourth Proportional to 2,949,819.12, 4,424,703.96 and 819,897

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Solution

The fourth proportional to 2,949,819.12, 4,424,703.96 and 819,897 is: 1,229,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,819.12 : 4,424,703.96 = 819,897 : x
  2. Step 2: Convert to fraction form
    2,949,819.12/4,424,703.96 = 819,897/x
  3. Step 3: Cross multiply
    2,949,819.12x = 4,424,703.96 × 819,897
  4. Step 4: Simplify right side
    2,949,819.12x = 3,627,801,502,692.12
  5. Step 5: Solve for x
    x = 3,627,801,502,692.12/2,949,819.12
  6. Step 6: Final answer
    x = 1,229,838.63

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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.