Home / 2,930,155.91-4,395,399.76-908,687.21

Finding the Fourth Proportional to 2,930,155.91, 4,395,399.76 and 908,687.21

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Solution

The fourth proportional to 2,930,155.91, 4,395,399.76 and 908,687.21 is: 1,363,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,155.91 : 4,395,399.76 = 908,687.21 : x
  2. Step 2: Convert to fraction form
    2,930,155.91/4,395,399.76 = 908,687.21/x
  3. Step 3: Cross multiply
    2,930,155.91x = 4,395,399.76 × 908,687.21
  4. Step 4: Simplify right side
    2,930,155.91x = 3,994,043,548,632.05
  5. Step 5: Solve for x
    x = 3,994,043,548,632.05/2,930,155.91
  6. Step 6: Final answer
    x = 1,363,082.26

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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.