Home / 3,312,959.78-4,969,550.79-916,603.71

Finding the Fourth Proportional to 3,312,959.78, 4,969,550.79 and 916,603.71

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Solution

The fourth proportional to 3,312,959.78, 4,969,550.79 and 916,603.71 is: 1,374,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,959.78 : 4,969,550.79 = 916,603.71 : x
  2. Step 2: Convert to fraction form
    3,312,959.78/4,969,550.79 = 916,603.71/x
  3. Step 3: Cross multiply
    3,312,959.78x = 4,969,550.79 × 916,603.71
  4. Step 4: Simplify right side
    3,312,959.78x = 4,555,108,691,147.43
  5. Step 5: Solve for x
    x = 4,555,108,691,147.43/3,312,959.78
  6. Step 6: Final answer
    x = 1,374,936.31

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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.