Home / 3,138,879.50-4,707,124.16-1,859,847.92

Finding the Fourth Proportional to 3,138,879.50, 4,707,124.16 and 1,859,847.92

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Solution

The fourth proportional to 3,138,879.50, 4,707,124.16 and 1,859,847.92 is: 2,789,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,879.50 : 4,707,124.16 = 1,859,847.92 : x
  2. Step 2: Convert to fraction form
    3,138,879.50/4,707,124.16 = 1,859,847.92/x
  3. Step 3: Cross multiply
    3,138,879.50x = 4,707,124.16 × 1,859,847.92
  4. Step 4: Simplify right side
    3,138,879.50x = 8,754,535,078,157.75
  5. Step 5: Solve for x
    x = 8,754,535,078,157.75/3,138,879.50
  6. Step 6: Final answer
    x = 2,789,063.77

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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.