Home / 2,948,940.83-4,067,442.03-1,968,385.47

Finding the Fourth Proportional to 2,948,940.83, 4,067,442.03 and 1,968,385.47

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Solution

The fourth proportional to 2,948,940.83, 4,067,442.03 and 1,968,385.47 is: 2,714,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,940.83 : 4,067,442.03 = 1,968,385.47 : x
  2. Step 2: Convert to fraction form
    2,948,940.83/4,067,442.03 = 1,968,385.47/x
  3. Step 3: Cross multiply
    2,948,940.83x = 4,067,442.03 × 1,968,385.47
  4. Step 4: Simplify right side
    2,948,940.83x = 8,006,293,791,919.30
  5. Step 5: Solve for x
    x = 8,006,293,791,919.30/2,948,940.83
  6. Step 6: Final answer
    x = 2,714,972.68

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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.