Home / 2,187,736.84-3,281,585.82-767,460.16

Finding the Fourth Proportional to 2,187,736.84, 3,281,585.82 and 767,460.16

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Solution

The fourth proportional to 2,187,736.84, 3,281,585.82 and 767,460.16 is: 1,151,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,736.84 : 3,281,585.82 = 767,460.16 : x
  2. Step 2: Convert to fraction form
    2,187,736.84/3,281,585.82 = 767,460.16/x
  3. Step 3: Cross multiply
    2,187,736.84x = 3,281,585.82 × 767,460.16
  4. Step 4: Simplify right side
    2,187,736.84x = 2,518,486,378,470.93
  5. Step 5: Solve for x
    x = 2,518,486,378,470.93/2,187,736.84
  6. Step 6: Final answer
    x = 1,151,183.42

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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.