Home / 4,752,741.20-7,129,111.80-1,557,096.80

Finding the Fourth Proportional to 4,752,741.20, 7,129,111.80 and 1,557,096.80

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Solution

The fourth proportional to 4,752,741.20, 7,129,111.80 and 1,557,096.80 is: 2,335,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,741.20 : 7,129,111.80 = 1,557,096.80 : x
  2. Step 2: Convert to fraction form
    4,752,741.20/7,129,111.80 = 1,557,096.80/x
  3. Step 3: Cross multiply
    4,752,741.20x = 7,129,111.80 × 1,557,096.80
  4. Step 4: Simplify right side
    4,752,741.20x = 11,100,717,170,622.24
  5. Step 5: Solve for x
    x = 11,100,717,170,622.24/4,752,741.20
  6. Step 6: Final answer
    x = 2,335,645.20

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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.