Home / 3,189,468.50-4,783,754.75-915,186.70

Finding the Fourth Proportional to 3,189,468.50, 4,783,754.75 and 915,186.70

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Solution

The fourth proportional to 3,189,468.50, 4,783,754.75 and 915,186.70 is: 1,372,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,468.50 : 4,783,754.75 = 915,186.70 : x
  2. Step 2: Convert to fraction form
    3,189,468.50/4,783,754.75 = 915,186.70/x
  3. Step 3: Cross multiply
    3,189,468.50x = 4,783,754.75 × 915,186.70
  4. Step 4: Simplify right side
    3,189,468.50x = 4,378,028,729,813.51
  5. Step 5: Solve for x
    x = 4,378,028,729,813.51/3,189,468.50
  6. Step 6: Final answer
    x = 1,372,651.50

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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.