Home / 2,120,759.73-2,926,560.78-1,153,893.78

Finding the Fourth Proportional to 2,120,759.73, 2,926,560.78 and 1,153,893.78

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Solution

The fourth proportional to 2,120,759.73, 2,926,560.78 and 1,153,893.78 is: 1,592,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,759.73 : 2,926,560.78 = 1,153,893.78 : x
  2. Step 2: Convert to fraction form
    2,120,759.73/2,926,560.78 = 1,153,893.78/x
  3. Step 3: Cross multiply
    2,120,759.73x = 2,926,560.78 × 1,153,893.78
  4. Step 4: Simplify right side
    2,120,759.73x = 3,376,940,280,833.95
  5. Step 5: Solve for x
    x = 3,376,940,280,833.95/2,120,759.73
  6. Step 6: Final answer
    x = 1,592,325.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.