Home / 2,893,306.78-4,340,140.38-763,393.12

Finding the Fourth Proportional to 2,893,306.78, 4,340,140.38 and 763,393.12

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Solution

The fourth proportional to 2,893,306.78, 4,340,140.38 and 763,393.12 is: 1,145,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893,306.78 : 4,340,140.38 = 763,393.12 : x
  2. Step 2: Convert to fraction form
    2,893,306.78/4,340,140.38 = 763,393.12/x
  3. Step 3: Cross multiply
    2,893,306.78x = 4,340,140.38 × 763,393.12
  4. Step 4: Simplify right side
    2,893,306.78x = 3,313,233,305,926.19
  5. Step 5: Solve for x
    x = 3,313,233,305,926.19/2,893,306.78
  6. Step 6: Final answer
    x = 1,145,137.23

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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.