Home / 1,992,167.46-2,988,635.13-644,664.42

Finding the Fourth Proportional to 1,992,167.46, 2,988,635.13 and 644,664.42

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Solution

The fourth proportional to 1,992,167.46, 2,988,635.13 and 644,664.42 is: 967,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,167.46 : 2,988,635.13 = 644,664.42 : x
  2. Step 2: Convert to fraction form
    1,992,167.46/2,988,635.13 = 644,664.42/x
  3. Step 3: Cross multiply
    1,992,167.46x = 2,988,635.13 × 644,664.42
  4. Step 4: Simplify right side
    1,992,167.46x = 1,926,666,732,673.07
  5. Step 5: Solve for x
    x = 1,926,666,732,673.07/1,992,167.46
  6. Step 6: Final answer
    x = 967,120.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.