Home / 2,212,987.60-3,319,481.40-717,230.80

Finding the Fourth Proportional to 2,212,987.60, 3,319,481.40 and 717,230.80

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Solution

The fourth proportional to 2,212,987.60, 3,319,481.40 and 717,230.80 is: 1,075,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,987.60 : 3,319,481.40 = 717,230.80 : x
  2. Step 2: Convert to fraction form
    2,212,987.60/3,319,481.40 = 717,230.80/x
  3. Step 3: Cross multiply
    2,212,987.60x = 3,319,481.40 × 717,230.80
  4. Step 4: Simplify right side
    2,212,987.60x = 2,380,834,300,107.12
  5. Step 5: Solve for x
    x = 2,380,834,300,107.12/2,212,987.60
  6. Step 6: Final answer
    x = 1,075,846.20

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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.