Home / 2,190,415.22-3,285,739.12-675,138.86

Finding the Fourth Proportional to 2,190,415.22, 3,285,739.12 and 675,138.86

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Solution

The fourth proportional to 2,190,415.22, 3,285,739.12 and 675,138.86 is: 1,012,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,415.22 : 3,285,739.12 = 675,138.86 : x
  2. Step 2: Convert to fraction form
    2,190,415.22/3,285,739.12 = 675,138.86/x
  3. Step 3: Cross multiply
    2,190,415.22x = 3,285,739.12 × 675,138.86
  4. Step 4: Simplify right side
    2,190,415.22x = 2,218,330,163,734.20
  5. Step 5: Solve for x
    x = 2,218,330,163,734.20/2,190,415.22
  6. Step 6: Final answer
    x = 1,012,744.13

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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.