Home / 3,378,138.75-4,661,922.06-1,907,929.35

Finding the Fourth Proportional to 3,378,138.75, 4,661,922.06 and 1,907,929.35

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Solution

The fourth proportional to 3,378,138.75, 4,661,922.06 and 1,907,929.35 is: 2,632,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,138.75 : 4,661,922.06 = 1,907,929.35 : x
  2. Step 2: Convert to fraction form
    3,378,138.75/4,661,922.06 = 1,907,929.35/x
  3. Step 3: Cross multiply
    3,378,138.75x = 4,661,922.06 × 1,907,929.35
  4. Step 4: Simplify right side
    3,378,138.75x = 8,894,617,925,686.46
  5. Step 5: Solve for x
    x = 8,894,617,925,686.46/3,378,138.75
  6. Step 6: Final answer
    x = 2,632,993.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.