Home / 3,313,345.82-4,969,465.08-917,432.64

Finding the Fourth Proportional to 3,313,345.82, 4,969,465.08 and 917,432.64

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Solution

The fourth proportional to 3,313,345.82, 4,969,465.08 and 917,432.64 is: 1,375,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,345.82 : 4,969,465.08 = 917,432.64 : x
  2. Step 2: Convert to fraction form
    3,313,345.82/4,969,465.08 = 917,432.64/x
  3. Step 3: Cross multiply
    3,313,345.82x = 4,969,465.08 × 917,432.64
  4. Step 4: Simplify right side
    3,313,345.82x = 4,559,149,467,732.21
  5. Step 5: Solve for x
    x = 4,559,149,467,732.21/3,313,345.82
  6. Step 6: Final answer
    x = 1,375,995.66

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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.