Home / 2,926,865.40-4,391,610.30-1,328,605.80

Finding the Fourth Proportional to 2,926,865.40, 4,391,610.30 and 1,328,605.80

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Solution

The fourth proportional to 2,926,865.40, 4,391,610.30 and 1,328,605.80 is: 1,993,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,865.40 : 4,391,610.30 = 1,328,605.80 : x
  2. Step 2: Convert to fraction form
    2,926,865.40/4,391,610.30 = 1,328,605.80/x
  3. Step 3: Cross multiply
    2,926,865.40x = 4,391,610.30 × 1,328,605.80
  4. Step 4: Simplify right side
    2,926,865.40x = 5,834,718,915,919.74
  5. Step 5: Solve for x
    x = 5,834,718,915,919.74/2,926,865.40
  6. Step 6: Final answer
    x = 1,993,504.35

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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.