Home / 5,105,076.10-7,044,914.66-2,781,989.42

Finding the Fourth Proportional to 5,105,076.10, 7,044,914.66 and 2,781,989.42

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Solution

The fourth proportional to 5,105,076.10, 7,044,914.66 and 2,781,989.42 is: 3,839,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,076.10 : 7,044,914.66 = 2,781,989.42 : x
  2. Step 2: Convert to fraction form
    5,105,076.10/7,044,914.66 = 2,781,989.42/x
  3. Step 3: Cross multiply
    5,105,076.10x = 7,044,914.66 × 2,781,989.42
  4. Step 4: Simplify right side
    5,105,076.10x = 19,598,877,999,788.38
  5. Step 5: Solve for x
    x = 19,598,877,999,788.38/5,105,076.10
  6. Step 6: Final answer
    x = 3,839,096.15

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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.