Home / 3,171,924.09-4,377,244.32-1,721,619.45

Finding the Fourth Proportional to 3,171,924.09, 4,377,244.32 and 1,721,619.45

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Solution

The fourth proportional to 3,171,924.09, 4,377,244.32 and 1,721,619.45 is: 2,375,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,924.09 : 4,377,244.32 = 1,721,619.45 : x
  2. Step 2: Convert to fraction form
    3,171,924.09/4,377,244.32 = 1,721,619.45/x
  3. Step 3: Cross multiply
    3,171,924.09x = 4,377,244.32 × 1,721,619.45
  4. Step 4: Simplify right side
    3,171,924.09x = 7,535,948,958,714.03
  5. Step 5: Solve for x
    x = 7,535,948,958,714.03/3,171,924.09
  6. Step 6: Final answer
    x = 2,375,828.91

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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.