Home / 4,921,852.20-7,381,395.90-1,557,090.60

Finding the Fourth Proportional to 4,921,852.20, 7,381,395.90 and 1,557,090.60

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Solution

The fourth proportional to 4,921,852.20, 7,381,395.90 and 1,557,090.60 is: 2,335,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,852.20 : 7,381,395.90 = 1,557,090.60 : x
  2. Step 2: Convert to fraction form
    4,921,852.20/7,381,395.90 = 1,557,090.60/x
  3. Step 3: Cross multiply
    4,921,852.20x = 7,381,395.90 × 1,557,090.60
  4. Step 4: Simplify right side
    4,921,852.20x = 11,493,502,170,768.54
  5. Step 5: Solve for x
    x = 11,493,502,170,768.54/4,921,852.20
  6. Step 6: Final answer
    x = 2,335,198.56

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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.