Home / 2,751,212.10-4,129,928.55-2,122,911.30

Finding the Fourth Proportional to 2,751,212.10, 4,129,928.55 and 2,122,911.30

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Solution

The fourth proportional to 2,751,212.10, 4,129,928.55 and 2,122,911.30 is: 3,186,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,212.10 : 4,129,928.55 = 2,122,911.30 : x
  2. Step 2: Convert to fraction form
    2,751,212.10/4,129,928.55 = 2,122,911.30/x
  3. Step 3: Cross multiply
    2,751,212.10x = 4,129,928.55 × 2,122,911.30
  4. Step 4: Simplify right side
    2,751,212.10x = 8,767,471,986,987.61
  5. Step 5: Solve for x
    x = 8,767,471,986,987.61/2,751,212.10
  6. Step 6: Final answer
    x = 3,186,767.02

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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.