Home / 2,148,904.80-2,965,909.64-1,231,748.08

Finding the Fourth Proportional to 2,148,904.80, 2,965,909.64 and 1,231,748.08

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Solution

The fourth proportional to 2,148,904.80, 2,965,909.64 and 1,231,748.08 is: 1,700,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,904.80 : 2,965,909.64 = 1,231,748.08 : x
  2. Step 2: Convert to fraction form
    2,148,904.80/2,965,909.64 = 1,231,748.08/x
  3. Step 3: Cross multiply
    2,148,904.80x = 2,965,909.64 × 1,231,748.08
  4. Step 4: Simplify right side
    2,148,904.80x = 3,653,253,504,523.49
  5. Step 5: Solve for x
    x = 3,653,253,504,523.49/2,148,904.80
  6. Step 6: Final answer
    x = 1,700,053.68

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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.