Home / 3,805,176.72-5,251,142.16-2,086,260.60

Finding the Fourth Proportional to 3,805,176.72, 5,251,142.16 and 2,086,260.60

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Solution

The fourth proportional to 3,805,176.72, 5,251,142.16 and 2,086,260.60 is: 2,879,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805,176.72 : 5,251,142.16 = 2,086,260.60 : x
  2. Step 2: Convert to fraction form
    3,805,176.72/5,251,142.16 = 2,086,260.60/x
  3. Step 3: Cross multiply
    3,805,176.72x = 5,251,142.16 × 2,086,260.60
  4. Step 4: Simplify right side
    3,805,176.72x = 10,955,250,993,406.90
  5. Step 5: Solve for x
    x = 10,955,250,993,406.90/3,805,176.72
  6. Step 6: Final answer
    x = 2,879,038.69

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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.