Home / 1,439,268.06-2,147,286.92-1,386,935.58

Finding the Fourth Proportional to 1,439,268.06, 2,147,286.92 and 1,386,935.58

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Solution

The fourth proportional to 1,439,268.06, 2,147,286.92 and 1,386,935.58 is: 2,069,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,268.06 : 2,147,286.92 = 1,386,935.58 : x
  2. Step 2: Convert to fraction form
    1,439,268.06/2,147,286.92 = 1,386,935.58/x
  3. Step 3: Cross multiply
    1,439,268.06x = 2,147,286.92 × 1,386,935.58
  4. Step 4: Simplify right side
    1,439,268.06x = 2,978,148,629,816.61
  5. Step 5: Solve for x
    x = 2,978,148,629,816.61/1,439,268.06
  6. Step 6: Final answer
    x = 2,069,210.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.