Home / 3,076,818.18-4,248,732.56-1,917,243.44

Finding the Fourth Proportional to 3,076,818.18, 4,248,732.56 and 1,917,243.44

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Solution

The fourth proportional to 3,076,818.18, 4,248,732.56 and 1,917,243.44 is: 2,647,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076,818.18 : 4,248,732.56 = 1,917,243.44 : x
  2. Step 2: Convert to fraction form
    3,076,818.18/4,248,732.56 = 1,917,243.44/x
  3. Step 3: Cross multiply
    3,076,818.18x = 4,248,732.56 × 1,917,243.44
  4. Step 4: Simplify right side
    3,076,818.18x = 8,145,854,628,974.41
  5. Step 5: Solve for x
    x = 8,145,854,628,974.41/3,076,818.18
  6. Step 6: Final answer
    x = 2,647,493.01

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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.