Home / 3,171,958-4,377,291.24-1,721,653.36

Finding the Fourth Proportional to 3,171,958, 4,377,291.24 and 1,721,653.36

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Solution

The fourth proportional to 3,171,958, 4,377,291.24 and 1,721,653.36 is: 2,375,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,958 : 4,377,291.24 = 1,721,653.36 : x
  2. Step 2: Convert to fraction form
    3,171,958/4,377,291.24 = 1,721,653.36/x
  3. Step 3: Cross multiply
    3,171,958x = 4,377,291.24 × 1,721,653.36
  4. Step 4: Simplify right side
    3,171,958x = 7,536,178,171,044.57
  5. Step 5: Solve for x
    x = 7,536,178,171,044.57/3,171,958
  6. Step 6: Final answer
    x = 2,375,875.77

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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.