Home / 2,148,729.80-2,965,248.54-1,181,933.64

Finding the Fourth Proportional to 2,148,729.80, 2,965,248.54 and 1,181,933.64

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Solution

The fourth proportional to 2,148,729.80, 2,965,248.54 and 1,181,933.64 is: 1,631,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,729.80 : 2,965,248.54 = 1,181,933.64 : x
  2. Step 2: Convert to fraction form
    2,148,729.80/2,965,248.54 = 1,181,933.64/x
  3. Step 3: Cross multiply
    2,148,729.80x = 2,965,248.54 × 1,181,933.64
  4. Step 4: Simplify right side
    2,148,729.80x = 3,504,727,000,386.89
  5. Step 5: Solve for x
    x = 3,504,727,000,386.89/2,148,729.80
  6. Step 6: Final answer
    x = 1,631,069.21

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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.