Home / 1,868,816.76-2,801,310.12-1,418,584.52

Finding the Fourth Proportional to 1,868,816.76, 2,801,310.12 and 1,418,584.52

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Solution

The fourth proportional to 1,868,816.76, 2,801,310.12 and 1,418,584.52 is: 2,126,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,816.76 : 2,801,310.12 = 1,418,584.52 : x
  2. Step 2: Convert to fraction form
    1,868,816.76/2,801,310.12 = 1,418,584.52/x
  3. Step 3: Cross multiply
    1,868,816.76x = 2,801,310.12 × 1,418,584.52
  4. Step 4: Simplify right side
    1,868,816.76x = 3,973,895,171,951.34
  5. Step 5: Solve for x
    x = 3,973,895,171,951.34/1,868,816.76
  6. Step 6: Final answer
    x = 2,126,423.12

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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.