Home / 2,276,784-3,141,992.64-1,258,212.48

Finding the Fourth Proportional to 2,276,784, 3,141,992.64 and 1,258,212.48

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Solution

The fourth proportional to 2,276,784, 3,141,992.64 and 1,258,212.48 is: 1,736,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,784 : 3,141,992.64 = 1,258,212.48 : x
  2. Step 2: Convert to fraction form
    2,276,784/3,141,992.64 = 1,258,212.48/x
  3. Step 3: Cross multiply
    2,276,784x = 3,141,992.64 × 1,258,212.48
  4. Step 4: Simplify right side
    2,276,784x = 3,953,294,351,716.15
  5. Step 5: Solve for x
    x = 3,953,294,351,716.15/2,276,784
  6. Step 6: Final answer
    x = 1,736,350.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.