Home / 1,682,815.46-2,322,276.09-918,863.60

Finding the Fourth Proportional to 1,682,815.46, 2,322,276.09 and 918,863.60

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Solution

The fourth proportional to 1,682,815.46, 2,322,276.09 and 918,863.60 is: 1,268,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,815.46 : 2,322,276.09 = 918,863.60 : x
  2. Step 2: Convert to fraction form
    1,682,815.46/2,322,276.09 = 918,863.60/x
  3. Step 3: Cross multiply
    1,682,815.46x = 2,322,276.09 × 918,863.60
  4. Step 4: Simplify right side
    1,682,815.46x = 2,133,854,968,251.32
  5. Step 5: Solve for x
    x = 2,133,854,968,251.32/1,682,815.46
  6. Step 6: Final answer
    x = 1,268,026.72

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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.