Home / 1,347,404.10-2,021,106.15-1,214,543.85

Finding the Fourth Proportional to 1,347,404.10, 2,021,106.15 and 1,214,543.85

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Solution

The fourth proportional to 1,347,404.10, 2,021,106.15 and 1,214,543.85 is: 1,821,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,404.10 : 2,021,106.15 = 1,214,543.85 : x
  2. Step 2: Convert to fraction form
    1,347,404.10/2,021,106.15 = 1,214,543.85/x
  3. Step 3: Cross multiply
    1,347,404.10x = 2,021,106.15 × 1,214,543.85
  4. Step 4: Simplify right side
    1,347,404.10x = 2,454,722,044,679.68
  5. Step 5: Solve for x
    x = 2,454,722,044,679.68/1,347,404.10
  6. Step 6: Final answer
    x = 1,821,815.78

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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.