Home / 2,148,714.70-2,965,227.80-1,181,918.54

Finding the Fourth Proportional to 2,148,714.70, 2,965,227.80 and 1,181,918.54

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Solution

The fourth proportional to 2,148,714.70, 2,965,227.80 and 1,181,918.54 is: 1,631,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,714.70 : 2,965,227.80 = 1,181,918.54 : x
  2. Step 2: Convert to fraction form
    2,148,714.70/2,965,227.80 = 1,181,918.54/x
  3. Step 3: Cross multiply
    2,148,714.70x = 2,965,227.80 × 1,181,918.54
  4. Step 4: Simplify right side
    2,148,714.70x = 3,504,657,712,143.41
  5. Step 5: Solve for x
    x = 3,504,657,712,143.41/2,148,714.70
  6. Step 6: Final answer
    x = 1,631,048.42

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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.