Home / 1,986,757.70-2,974,933.56-1,301,488.74

Finding the Fourth Proportional to 1,986,757.70, 2,974,933.56 and 1,301,488.74

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Solution

The fourth proportional to 1,986,757.70, 2,974,933.56 and 1,301,488.74 is: 1,948,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,757.70 : 2,974,933.56 = 1,301,488.74 : x
  2. Step 2: Convert to fraction form
    1,986,757.70/2,974,933.56 = 1,301,488.74/x
  3. Step 3: Cross multiply
    1,986,757.70x = 2,974,933.56 × 1,301,488.74
  4. Step 4: Simplify right side
    1,986,757.70x = 3,871,842,530,588.11
  5. Step 5: Solve for x
    x = 3,871,842,530,588.11/1,986,757.70
  6. Step 6: Final answer
    x = 1,948,824.73

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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.