Home / 5,215,718.25-7,823,494.26-1,429,201.17

Finding the Fourth Proportional to 5,215,718.25, 7,823,494.26 and 1,429,201.17

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Solution

The fourth proportional to 5,215,718.25, 7,823,494.26 and 1,429,201.17 is: 2,143,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,718.25 : 7,823,494.26 = 1,429,201.17 : x
  2. Step 2: Convert to fraction form
    5,215,718.25/7,823,494.26 = 1,429,201.17/x
  3. Step 3: Cross multiply
    5,215,718.25x = 7,823,494.26 × 1,429,201.17
  4. Step 4: Simplify right side
    5,215,718.25x = 11,181,347,149,880.28
  5. Step 5: Solve for x
    x = 11,181,347,149,880.28/5,215,718.25
  6. Step 6: Final answer
    x = 2,143,778.98

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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.