Home / 2,220,129.90-3,330,741.60-622,672.20

Finding the Fourth Proportional to 2,220,129.90, 3,330,741.60 and 622,672.20

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Solution

The fourth proportional to 2,220,129.90, 3,330,741.60 and 622,672.20 is: 934,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,129.90 : 3,330,741.60 = 622,672.20 : x
  2. Step 2: Convert to fraction form
    2,220,129.90/3,330,741.60 = 622,672.20/x
  3. Step 3: Cross multiply
    2,220,129.90x = 3,330,741.60 × 622,672.20
  4. Step 4: Simplify right side
    2,220,129.90x = 2,073,960,199,703.52
  5. Step 5: Solve for x
    x = 2,073,960,199,703.52/2,220,129.90
  6. Step 6: Final answer
    x = 934,161.65

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1.5x scale

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.