Home / 3,830,927.85-5,286,678.72-2,199,440.43

Finding the Fourth Proportional to 3,830,927.85, 5,286,678.72 and 2,199,440.43

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Solution

The fourth proportional to 3,830,927.85, 5,286,678.72 and 2,199,440.43 is: 3,035,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,927.85 : 5,286,678.72 = 2,199,440.43 : x
  2. Step 2: Convert to fraction form
    3,830,927.85/5,286,678.72 = 2,199,440.43/x
  3. Step 3: Cross multiply
    3,830,927.85x = 5,286,678.72 × 2,199,440.43
  4. Step 4: Simplify right side
    3,830,927.85x = 11,627,734,917,188.65
  5. Step 5: Solve for x
    x = 11,627,734,917,188.65/3,830,927.85
  6. Step 6: Final answer
    x = 3,035,226.81

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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.