Home / 2,005,745.28-2,768,117.45-1,146,138.45

Finding the Fourth Proportional to 2,005,745.28, 2,768,117.45 and 1,146,138.45

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Solution

The fourth proportional to 2,005,745.28, 2,768,117.45 and 1,146,138.45 is: 1,581,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,745.28 : 2,768,117.45 = 1,146,138.45 : x
  2. Step 2: Convert to fraction form
    2,005,745.28/2,768,117.45 = 1,146,138.45/x
  3. Step 3: Cross multiply
    2,005,745.28x = 2,768,117.45 × 1,146,138.45
  4. Step 4: Simplify right side
    2,005,745.28x = 3,172,645,843,560.95
  5. Step 5: Solve for x
    x = 3,172,645,843,560.95/2,005,745.28
  6. Step 6: Final answer
    x = 1,581,779.04

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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.