Home / 3,313,311.63-4,969,413.86-917,398.46

Finding the Fourth Proportional to 3,313,311.63, 4,969,413.86 and 917,398.46

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Solution

The fourth proportional to 3,313,311.63, 4,969,413.86 and 917,398.46 is: 1,375,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,311.63 : 4,969,413.86 = 917,398.46 : x
  2. Step 2: Convert to fraction form
    3,313,311.63/4,969,413.86 = 917,398.46/x
  3. Step 3: Cross multiply
    3,313,311.63x = 4,969,413.86 × 917,398.46
  4. Step 4: Simplify right side
    3,313,311.63x = 4,558,932,592,832.59
  5. Step 5: Solve for x
    x = 4,558,932,592,832.59/3,313,311.63
  6. Step 6: Final answer
    x = 1,375,944.40

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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.