Home / 2,148,750.80-2,965,217.89-1,218,629.26

Finding the Fourth Proportional to 2,148,750.80, 2,965,217.89 and 1,218,629.26

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Solution

The fourth proportional to 2,148,750.80, 2,965,217.89 and 1,218,629.26 is: 1,681,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,750.80 : 2,965,217.89 = 1,218,629.26 : x
  2. Step 2: Convert to fraction form
    2,148,750.80/2,965,217.89 = 1,218,629.26/x
  3. Step 3: Cross multiply
    2,148,750.80x = 2,965,217.89 × 1,218,629.26
  4. Step 4: Simplify right side
    2,148,750.80x = 3,613,501,283,029.46
  5. Step 5: Solve for x
    x = 3,613,501,283,029.46/2,148,750.80
  6. Step 6: Final answer
    x = 1,681,675.36

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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.