Home / 4,140,249.72-5,707,640.88-3,220,864.08

Finding the Fourth Proportional to 4,140,249.72, 5,707,640.88 and 3,220,864.08

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Solution

The fourth proportional to 4,140,249.72, 5,707,640.88 and 3,220,864.08 is: 4,440,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,249.72 : 5,707,640.88 = 3,220,864.08 : x
  2. Step 2: Convert to fraction form
    4,140,249.72/5,707,640.88 = 3,220,864.08/x
  3. Step 3: Cross multiply
    4,140,249.72x = 5,707,640.88 × 3,220,864.08
  4. Step 4: Simplify right side
    4,140,249.72x = 18,383,535,491,931.59
  5. Step 5: Solve for x
    x = 18,383,535,491,931.59/4,140,249.72
  6. Step 6: Final answer
    x = 4,440,199.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.