Home / 2,900,193.72-3,999,146.94-1,812,067.80

Finding the Fourth Proportional to 2,900,193.72, 3,999,146.94 and 1,812,067.80

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Solution

The fourth proportional to 2,900,193.72, 3,999,146.94 and 1,812,067.80 is: 2,498,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,193.72 : 3,999,146.94 = 1,812,067.80 : x
  2. Step 2: Convert to fraction form
    2,900,193.72/3,999,146.94 = 1,812,067.80/x
  3. Step 3: Cross multiply
    2,900,193.72x = 3,999,146.94 × 1,812,067.80
  4. Step 4: Simplify right side
    2,900,193.72x = 7,246,725,397,442.53
  5. Step 5: Solve for x
    x = 7,246,725,397,442.53/2,900,193.72
  6. Step 6: Final answer
    x = 2,498,703.91

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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.