Home / 3,188,422.71-4,782,637.49-792,267.35

Finding the Fourth Proportional to 3,188,422.71, 4,782,637.49 and 792,267.35

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Solution

The fourth proportional to 3,188,422.71, 4,782,637.49 and 792,267.35 is: 1,188,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,422.71 : 4,782,637.49 = 792,267.35 : x
  2. Step 2: Convert to fraction form
    3,188,422.71/4,782,637.49 = 792,267.35/x
  3. Step 3: Cross multiply
    3,188,422.71x = 4,782,637.49 × 792,267.35
  4. Step 4: Simplify right side
    3,188,422.71x = 3,789,127,502,338.43
  5. Step 5: Solve for x
    x = 3,789,127,502,338.43/3,188,422.71
  6. Step 6: Final answer
    x = 1,188,401.87

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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.