Home / 2,191,307.60-3,286,961.40-1,659,866.60

Finding the Fourth Proportional to 2,191,307.60, 3,286,961.40 and 1,659,866.60

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Solution

The fourth proportional to 2,191,307.60, 3,286,961.40 and 1,659,866.60 is: 2,489,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,307.60 : 3,286,961.40 = 1,659,866.60 : x
  2. Step 2: Convert to fraction form
    2,191,307.60/3,286,961.40 = 1,659,866.60/x
  3. Step 3: Cross multiply
    2,191,307.60x = 3,286,961.40 × 1,659,866.60
  4. Step 4: Simplify right side
    2,191,307.60x = 5,455,917,443,349.24
  5. Step 5: Solve for x
    x = 5,455,917,443,349.24/2,191,307.60
  6. Step 6: Final answer
    x = 2,489,799.90

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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.