Home / 2,591,842.15-3,887,320.35-698,140.72

Finding the Fourth Proportional to 2,591,842.15, 3,887,320.35 and 698,140.72

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Solution

The fourth proportional to 2,591,842.15, 3,887,320.35 and 698,140.72 is: 1,047,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,842.15 : 3,887,320.35 = 698,140.72 : x
  2. Step 2: Convert to fraction form
    2,591,842.15/3,887,320.35 = 698,140.72/x
  3. Step 3: Cross multiply
    2,591,842.15x = 3,887,320.35 × 698,140.72
  4. Step 4: Simplify right side
    2,591,842.15x = 2,713,896,608,583.05
  5. Step 5: Solve for x
    x = 2,713,896,608,583.05/2,591,842.15
  6. Step 6: Final answer
    x = 1,047,091.78

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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.