Home / 2,931,040.49-4,396,839.37-909,306.41

Finding the Fourth Proportional to 2,931,040.49, 4,396,839.37 and 909,306.41

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Solution

The fourth proportional to 2,931,040.49, 4,396,839.37 and 909,306.41 is: 1,364,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,040.49 : 4,396,839.37 = 909,306.41 : x
  2. Step 2: Convert to fraction form
    2,931,040.49/4,396,839.37 = 909,306.41/x
  3. Step 3: Cross multiply
    2,931,040.49x = 4,396,839.37 × 909,306.41
  4. Step 4: Simplify right side
    2,931,040.49x = 3,998,074,198,623.90
  5. Step 5: Solve for x
    x = 3,998,074,198,623.90/2,931,040.49
  6. Step 6: Final answer
    x = 1,364,046.05

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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.