Home / 4,842,439.81-6,682,072.40-2,981,559.78

Finding the Fourth Proportional to 4,842,439.81, 6,682,072.40 and 2,981,559.78

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Solution

The fourth proportional to 4,842,439.81, 6,682,072.40 and 2,981,559.78 is: 4,114,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842,439.81 : 6,682,072.40 = 2,981,559.78 : x
  2. Step 2: Convert to fraction form
    4,842,439.81/6,682,072.40 = 2,981,559.78/x
  3. Step 3: Cross multiply
    4,842,439.81x = 6,682,072.40 × 2,981,559.78
  4. Step 4: Simplify right side
    4,842,439.81x = 19,922,998,327,932.39
  5. Step 5: Solve for x
    x = 19,922,998,327,932.39/4,842,439.81
  6. Step 6: Final answer
    x = 4,114,248.01

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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.