Home / 2,218,462.39-3,328,061.48-778,772.44

Finding the Fourth Proportional to 2,218,462.39, 3,328,061.48 and 778,772.44

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Solution

The fourth proportional to 2,218,462.39, 3,328,061.48 and 778,772.44 is: 1,168,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,462.39 : 3,328,061.48 = 778,772.44 : x
  2. Step 2: Convert to fraction form
    2,218,462.39/3,328,061.48 = 778,772.44/x
  3. Step 3: Cross multiply
    2,218,462.39x = 3,328,061.48 × 778,772.44
  4. Step 4: Simplify right side
    2,218,462.39x = 2,591,802,562,436.22
  5. Step 5: Solve for x
    x = 2,591,802,562,436.22/2,218,462.39
  6. Step 6: Final answer
    x = 1,168,287.81

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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.