Home / 3,171,938.04-4,377,279-1,721,633.84

Finding the Fourth Proportional to 3,171,938.04, 4,377,279 and 1,721,633.84

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Solution

The fourth proportional to 3,171,938.04, 4,377,279 and 1,721,633.84 is: 2,375,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,938.04 : 4,377,279 = 1,721,633.84 : x
  2. Step 2: Convert to fraction form
    3,171,938.04/4,377,279 = 1,721,633.84/x
  3. Step 3: Cross multiply
    3,171,938.04x = 4,377,279 × 1,721,633.84
  4. Step 4: Simplify right side
    3,171,938.04x = 7,536,071,653,521.36
  5. Step 5: Solve for x
    x = 7,536,071,653,521.36/3,171,938.04
  6. Step 6: Final answer
    x = 2,375,857.14

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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.