Home / 3,172,358.09-4,377,859.72-1,722,054.51

Finding the Fourth Proportional to 3,172,358.09, 4,377,859.72 and 1,722,054.51

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Solution

The fourth proportional to 3,172,358.09, 4,377,859.72 and 1,722,054.51 is: 2,376,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,358.09 : 4,377,859.72 = 1,722,054.51 : x
  2. Step 2: Convert to fraction form
    3,172,358.09/4,377,859.72 = 1,722,054.51/x
  3. Step 3: Cross multiply
    3,172,358.09x = 4,377,859.72 × 1,722,054.51
  4. Step 4: Simplify right side
    3,172,358.09x = 7,538,913,058,355.47
  5. Step 5: Solve for x
    x = 7,538,913,058,355.47/3,172,358.09
  6. Step 6: Final answer
    x = 2,376,438.23

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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.