Home / 2,775,905.88-3,830,728.46-1,552,213.78

Finding the Fourth Proportional to 2,775,905.88, 3,830,728.46 and 1,552,213.78

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Solution

The fourth proportional to 2,775,905.88, 3,830,728.46 and 1,552,213.78 is: 2,142,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,905.88 : 3,830,728.46 = 1,552,213.78 : x
  2. Step 2: Convert to fraction form
    2,775,905.88/3,830,728.46 = 1,552,213.78/x
  3. Step 3: Cross multiply
    2,775,905.88x = 3,830,728.46 × 1,552,213.78
  4. Step 4: Simplify right side
    2,775,905.88x = 5,946,109,503,050.18
  5. Step 5: Solve for x
    x = 5,946,109,503,050.18/2,775,905.88
  6. Step 6: Final answer
    x = 2,142,042.91

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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.