Home / 2,992,073.40-4,489,568.10-1,393,813.80

Finding the Fourth Proportional to 2,992,073.40, 4,489,568.10 and 1,393,813.80

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Solution

The fourth proportional to 2,992,073.40, 4,489,568.10 and 1,393,813.80 is: 2,091,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,073.40 : 4,489,568.10 = 1,393,813.80 : x
  2. Step 2: Convert to fraction form
    2,992,073.40/4,489,568.10 = 1,393,813.80/x
  3. Step 3: Cross multiply
    2,992,073.40x = 4,489,568.10 × 1,393,813.80
  4. Step 4: Simplify right side
    2,992,073.40x = 6,257,621,973,819.78
  5. Step 5: Solve for x
    x = 6,257,621,973,819.78/2,992,073.40
  6. Step 6: Final answer
    x = 2,091,399.89

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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.