Home / 4,839,823.39-7,259,935.40-1,428,109.97

Finding the Fourth Proportional to 4,839,823.39, 7,259,935.40 and 1,428,109.97

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Solution

The fourth proportional to 4,839,823.39, 7,259,935.40 and 1,428,109.97 is: 2,142,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839,823.39 : 7,259,935.40 = 1,428,109.97 : x
  2. Step 2: Convert to fraction form
    4,839,823.39/7,259,935.40 = 1,428,109.97/x
  3. Step 3: Cross multiply
    4,839,823.39x = 7,259,935.40 × 1,428,109.97
  4. Step 4: Simplify right side
    4,839,823.39x = 10,367,986,148,016.05
  5. Step 5: Solve for x
    x = 10,367,986,148,016.05/4,839,823.39
  6. Step 6: Final answer
    x = 2,142,224.07

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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.