Home / 1,994,170.60-2,990,910.30-731,348.20

Finding the Fourth Proportional to 1,994,170.60, 2,990,910.30 and 731,348.20

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Solution

The fourth proportional to 1,994,170.60, 2,990,910.30 and 731,348.20 is: 1,096,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,170.60 : 2,990,910.30 = 731,348.20 : x
  2. Step 2: Convert to fraction form
    1,994,170.60/2,990,910.30 = 731,348.20/x
  3. Step 3: Cross multiply
    1,994,170.60x = 2,990,910.30 × 731,348.20
  4. Step 4: Simplify right side
    1,994,170.60x = 2,187,396,864,266.46
  5. Step 5: Solve for x
    x = 2,187,396,864,266.46/1,994,170.60
  6. Step 6: Final answer
    x = 1,096,895.55

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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.