Home / 2,078,808.60-3,117,629.70-659,299.80

Finding the Fourth Proportional to 2,078,808.60, 3,117,629.70 and 659,299.80

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Solution

The fourth proportional to 2,078,808.60, 3,117,629.70 and 659,299.80 is: 988,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,808.60 : 3,117,629.70 = 659,299.80 : x
  2. Step 2: Convert to fraction form
    2,078,808.60/3,117,629.70 = 659,299.80/x
  3. Step 3: Cross multiply
    2,078,808.60x = 3,117,629.70 × 659,299.80
  4. Step 4: Simplify right side
    2,078,808.60x = 2,055,452,637,684.06
  5. Step 5: Solve for x
    x = 2,055,452,637,684.06/2,078,808.60
  6. Step 6: Final answer
    x = 988,764.74

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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.