Home / 2,661,867.91-3,993,473.82-742,777.51

Finding the Fourth Proportional to 2,661,867.91, 3,993,473.82 and 742,777.51

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Solution

The fourth proportional to 2,661,867.91, 3,993,473.82 and 742,777.51 is: 1,114,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,867.91 : 3,993,473.82 = 742,777.51 : x
  2. Step 2: Convert to fraction form
    2,661,867.91/3,993,473.82 = 742,777.51/x
  3. Step 3: Cross multiply
    2,661,867.91x = 3,993,473.82 × 742,777.51
  4. Step 4: Simplify right side
    2,661,867.91x = 2,966,262,540,269.79
  5. Step 5: Solve for x
    x = 2,966,262,540,269.79/2,661,867.91
  6. Step 6: Final answer
    x = 1,114,353.77

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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.