Home / 4,200,109.40-6,290,832.90-3,453,613.40

Finding the Fourth Proportional to 4,200,109.40, 6,290,832.90 and 3,453,613.40

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Solution

The fourth proportional to 4,200,109.40, 6,290,832.90 and 3,453,613.40 is: 5,172,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,109.40 : 6,290,832.90 = 3,453,613.40 : x
  2. Step 2: Convert to fraction form
    4,200,109.40/6,290,832.90 = 3,453,613.40/x
  3. Step 3: Cross multiply
    4,200,109.40x = 6,290,832.90 × 3,453,613.40
  4. Step 4: Simplify right side
    4,200,109.40x = 21,726,104,800,600.86
  5. Step 5: Solve for x
    x = 21,726,104,800,600.86/4,200,109.40
  6. Step 6: Final answer
    x = 5,172,747.36

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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.