Home / 1,997,315.62-2,756,463.51-1,222,942.66

Finding the Fourth Proportional to 1,997,315.62, 2,756,463.51 and 1,222,942.66

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Solution

The fourth proportional to 1,997,315.62, 2,756,463.51 and 1,222,942.66 is: 1,687,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,315.62 : 2,756,463.51 = 1,222,942.66 : x
  2. Step 2: Convert to fraction form
    1,997,315.62/2,756,463.51 = 1,222,942.66/x
  3. Step 3: Cross multiply
    1,997,315.62x = 2,756,463.51 × 1,222,942.66
  4. Step 4: Simplify right side
    1,997,315.62x = 3,370,996,814,807.21
  5. Step 5: Solve for x
    x = 3,370,996,814,807.21/1,997,315.62
  6. Step 6: Final answer
    x = 1,687,763.71

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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.