Home / 1,227,931.41-1,682,272.14-1,181,909.51

Finding the Fourth Proportional to 1,227,931.41, 1,682,272.14 and 1,181,909.51

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Solution

The fourth proportional to 1,227,931.41, 1,682,272.14 and 1,181,909.51 is: 1,619,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,931.41 : 1,682,272.14 = 1,181,909.51 : x
  2. Step 2: Convert to fraction form
    1,227,931.41/1,682,272.14 = 1,181,909.51/x
  3. Step 3: Cross multiply
    1,227,931.41x = 1,682,272.14 × 1,181,909.51
  4. Step 4: Simplify right side
    1,227,931.41x = 1,988,293,432,262.69
  5. Step 5: Solve for x
    x = 1,988,293,432,262.69/1,227,931.41
  6. Step 6: Final answer
    x = 1,619,221.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.