Home / 2,121,819.74-2,928,175.72-1,502,734

Finding the Fourth Proportional to 2,121,819.74, 2,928,175.72 and 1,502,734

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Solution

The fourth proportional to 2,121,819.74, 2,928,175.72 and 1,502,734 is: 2,073,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,819.74 : 2,928,175.72 = 1,502,734 : x
  2. Step 2: Convert to fraction form
    2,121,819.74/2,928,175.72 = 1,502,734/x
  3. Step 3: Cross multiply
    2,121,819.74x = 2,928,175.72 × 1,502,734
  4. Step 4: Simplify right side
    2,121,819.74x = 4,400,269,212,418.48
  5. Step 5: Solve for x
    x = 4,400,269,212,418.48/2,121,819.74
  6. Step 6: Final answer
    x = 2,073,818.59

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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.