Home / 2,790,876.83-4,183,658.01-896,289.66

Finding the Fourth Proportional to 2,790,876.83, 4,183,658.01 and 896,289.66

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Solution

The fourth proportional to 2,790,876.83, 4,183,658.01 and 896,289.66 is: 1,343,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,876.83 : 4,183,658.01 = 896,289.66 : x
  2. Step 2: Convert to fraction form
    2,790,876.83/4,183,658.01 = 896,289.66/x
  3. Step 3: Cross multiply
    2,790,876.83x = 4,183,658.01 × 896,289.66
  4. Step 4: Simplify right side
    2,790,876.83x = 3,749,769,415,339.18
  5. Step 5: Solve for x
    x = 3,749,769,415,339.18/2,790,876.83
  6. Step 6: Final answer
    x = 1,343,581.12

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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.