Home / 2,005,287.38-2,767,277.74-1,087,536.78

Finding the Fourth Proportional to 2,005,287.38, 2,767,277.74 and 1,087,536.78

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Solution

The fourth proportional to 2,005,287.38, 2,767,277.74 and 1,087,536.78 is: 1,500,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,287.38 : 2,767,277.74 = 1,087,536.78 : x
  2. Step 2: Convert to fraction form
    2,005,287.38/2,767,277.74 = 1,087,536.78/x
  3. Step 3: Cross multiply
    2,005,287.38x = 2,767,277.74 × 1,087,536.78
  4. Step 4: Simplify right side
    2,005,287.38x = 3,009,516,322,725.28
  5. Step 5: Solve for x
    x = 3,009,516,322,725.28/2,005,287.38
  6. Step 6: Final answer
    x = 1,500,790.54

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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.