Home / 2,790,876.95-4,183,658.20-896,289.78

Finding the Fourth Proportional to 2,790,876.95, 4,183,658.20 and 896,289.78

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Solution

The fourth proportional to 2,790,876.95, 4,183,658.20 and 896,289.78 is: 1,343,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,876.95 : 4,183,658.20 = 896,289.78 : x
  2. Step 2: Convert to fraction form
    2,790,876.95/4,183,658.20 = 896,289.78/x
  3. Step 3: Cross multiply
    2,790,876.95x = 4,183,658.20 × 896,289.78
  4. Step 4: Simplify right side
    2,790,876.95x = 3,749,770,083,191.75
  5. Step 5: Solve for x
    x = 3,749,770,083,191.75/2,790,876.95
  6. Step 6: Final answer
    x = 1,343,581.30

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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.