Home / 1,921,118.18-2,882,174.97-1,021,819.70

Finding the Fourth Proportional to 1,921,118.18, 2,882,174.97 and 1,021,819.70

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Solution

The fourth proportional to 1,921,118.18, 2,882,174.97 and 1,021,819.70 is: 1,532,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,118.18 : 2,882,174.97 = 1,021,819.70 : x
  2. Step 2: Convert to fraction form
    1,921,118.18/2,882,174.97 = 1,021,819.70/x
  3. Step 3: Cross multiply
    1,921,118.18x = 2,882,174.97 × 1,021,819.70
  4. Step 4: Simplify right side
    1,921,118.18x = 2,945,063,163,192.91
  5. Step 5: Solve for x
    x = 2,945,063,163,192.91/1,921,118.18
  6. Step 6: Final answer
    x = 1,532,994.27

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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.