Home / 2,727,690.09-4,091,386.78-834,431.52

Finding the Fourth Proportional to 2,727,690.09, 4,091,386.78 and 834,431.52

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Solution

The fourth proportional to 2,727,690.09, 4,091,386.78 and 834,431.52 is: 1,251,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,690.09 : 4,091,386.78 = 834,431.52 : x
  2. Step 2: Convert to fraction form
    2,727,690.09/4,091,386.78 = 834,431.52/x
  3. Step 3: Cross multiply
    2,727,690.09x = 4,091,386.78 × 834,431.52
  4. Step 4: Simplify right side
    2,727,690.09x = 3,413,982,106,129.05
  5. Step 5: Solve for x
    x = 3,413,982,106,129.05/2,727,690.09
  6. Step 6: Final answer
    x = 1,251,601.90

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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.