Home / 2,214,111.20-3,321,166.80-1,529,142.80

Finding the Fourth Proportional to 2,214,111.20, 3,321,166.80 and 1,529,142.80

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Solution

The fourth proportional to 2,214,111.20, 3,321,166.80 and 1,529,142.80 is: 2,293,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,111.20 : 3,321,166.80 = 1,529,142.80 : x
  2. Step 2: Convert to fraction form
    2,214,111.20/3,321,166.80 = 1,529,142.80/x
  3. Step 3: Cross multiply
    2,214,111.20x = 3,321,166.80 × 1,529,142.80
  4. Step 4: Simplify right side
    2,214,111.20x = 5,078,538,299,819.04
  5. Step 5: Solve for x
    x = 5,078,538,299,819.04/2,214,111.20
  6. Step 6: Final answer
    x = 2,293,714.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.