Home / 3,172,011.03-4,377,379.67-1,721,706.79

Finding the Fourth Proportional to 3,172,011.03, 4,377,379.67 and 1,721,706.79

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Solution

The fourth proportional to 3,172,011.03, 4,377,379.67 and 1,721,706.79 is: 2,375,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,011.03 : 4,377,379.67 = 1,721,706.79 : x
  2. Step 2: Convert to fraction form
    3,172,011.03/4,377,379.67 = 1,721,706.79/x
  3. Step 3: Cross multiply
    3,172,011.03x = 4,377,379.67 × 1,721,706.79
  4. Step 4: Simplify right side
    3,172,011.03x = 7,536,564,305,043.57
  5. Step 5: Solve for x
    x = 7,536,564,305,043.57/3,172,011.03
  6. Step 6: Final answer
    x = 2,375,957.79

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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.