Home / 3,172,358.07-4,377,859.70-1,722,054.49

Finding the Fourth Proportional to 3,172,358.07, 4,377,859.70 and 1,722,054.49

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Solution

The fourth proportional to 3,172,358.07, 4,377,859.70 and 1,722,054.49 is: 2,376,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,358.07 : 4,377,859.70 = 1,722,054.49 : x
  2. Step 2: Convert to fraction form
    3,172,358.07/4,377,859.70 = 1,722,054.49/x
  3. Step 3: Cross multiply
    3,172,358.07x = 4,377,859.70 × 1,722,054.49
  4. Step 4: Simplify right side
    3,172,358.07x = 7,538,912,944,364.78
  5. Step 5: Solve for x
    x = 7,538,912,944,364.78/3,172,358.07
  6. Step 6: Final answer
    x = 2,376,438.21

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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.