Home / 3,172,045.42-4,377,304.91-1,721,709.64

Finding the Fourth Proportional to 3,172,045.42, 4,377,304.91 and 1,721,709.64

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Solution

The fourth proportional to 3,172,045.42, 4,377,304.91 and 1,721,709.64 is: 2,375,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,045.42 : 4,377,304.91 = 1,721,709.64 : x
  2. Step 2: Convert to fraction form
    3,172,045.42/4,377,304.91 = 1,721,709.64/x
  3. Step 3: Cross multiply
    3,172,045.42x = 4,377,304.91 × 1,721,709.64
  4. Step 4: Simplify right side
    3,172,045.42x = 7,536,448,060,766.33
  5. Step 5: Solve for x
    x = 7,536,448,060,766.33/3,172,045.42
  6. Step 6: Final answer
    x = 2,375,895.38

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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.