Home / 3,931,741.65-5,425,628.95-2,189,500.90

Finding the Fourth Proportional to 3,931,741.65, 5,425,628.95 and 2,189,500.90

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Solution

The fourth proportional to 3,931,741.65, 5,425,628.95 and 2,189,500.90 is: 3,021,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,741.65 : 5,425,628.95 = 2,189,500.90 : x
  2. Step 2: Convert to fraction form
    3,931,741.65/5,425,628.95 = 2,189,500.90/x
  3. Step 3: Cross multiply
    3,931,741.65x = 5,425,628.95 × 2,189,500.90
  4. Step 4: Simplify right side
    3,931,741.65x = 11,879,419,463,617.30
  5. Step 5: Solve for x
    x = 11,879,419,463,617.30/3,931,741.65
  6. Step 6: Final answer
    x = 3,021,414.05

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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.