Home / 2,218,483.92-3,328,093.92-778,794.12

Finding the Fourth Proportional to 2,218,483.92, 3,328,093.92 and 778,794.12

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Solution

The fourth proportional to 2,218,483.92, 3,328,093.92 and 778,794.12 is: 1,168,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,483.92 : 3,328,093.92 = 778,794.12 : x
  2. Step 2: Convert to fraction form
    2,218,483.92/3,328,093.92 = 778,794.12/x
  3. Step 3: Cross multiply
    2,218,483.92x = 3,328,093.92 × 778,794.12
  4. Step 4: Simplify right side
    2,218,483.92x = 2,591,899,975,703.75
  5. Step 5: Solve for x
    x = 2,591,899,975,703.75/2,218,483.92
  6. Step 6: Final answer
    x = 1,168,320.38

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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.