Home / 2,170,330.31-2,994,840.03-1,252,855.03

Finding the Fourth Proportional to 2,170,330.31, 2,994,840.03 and 1,252,855.03

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Solution

The fourth proportional to 2,170,330.31, 2,994,840.03 and 1,252,855.03 is: 1,728,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,330.31 : 2,994,840.03 = 1,252,855.03 : x
  2. Step 2: Convert to fraction form
    2,170,330.31/2,994,840.03 = 1,252,855.03/x
  3. Step 3: Cross multiply
    2,170,330.31x = 2,994,840.03 × 1,252,855.03
  4. Step 4: Simplify right side
    2,170,330.31x = 3,752,100,395,630.85
  5. Step 5: Solve for x
    x = 3,752,100,395,630.85/2,170,330.31
  6. Step 6: Final answer
    x = 1,728,815.37

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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.