Home / 2,148,817.16-2,965,305.82-1,181,947.40

Finding the Fourth Proportional to 2,148,817.16, 2,965,305.82 and 1,181,947.40

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Solution

The fourth proportional to 2,148,817.16, 2,965,305.82 and 1,181,947.40 is: 1,631,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,817.16 : 2,965,305.82 = 1,181,947.40 : x
  2. Step 2: Convert to fraction form
    2,148,817.16/2,965,305.82 = 1,181,947.40/x
  3. Step 3: Cross multiply
    2,148,817.16x = 2,965,305.82 × 1,181,947.40
  4. Step 4: Simplify right side
    2,148,817.16x = 3,504,835,504,153.87
  5. Step 5: Solve for x
    x = 3,504,835,504,153.87/2,148,817.16
  6. Step 6: Final answer
    x = 1,631,053.39

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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.