Home / 3,527,383.84-4,867,841.44-1,978,987.84

Finding the Fourth Proportional to 3,527,383.84, 4,867,841.44 and 1,978,987.84

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Solution

The fourth proportional to 3,527,383.84, 4,867,841.44 and 1,978,987.84 is: 2,731,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527,383.84 : 4,867,841.44 = 1,978,987.84 : x
  2. Step 2: Convert to fraction form
    3,527,383.84/4,867,841.44 = 1,978,987.84/x
  3. Step 3: Cross multiply
    3,527,383.84x = 4,867,841.44 × 1,978,987.84
  4. Step 4: Simplify right side
    3,527,383.84x = 9,633,399,016,808.09
  5. Step 5: Solve for x
    x = 9,633,399,016,808.09/3,527,383.84
  6. Step 6: Final answer
    x = 2,731,032.25

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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.