Home / 3,072,879.72-4,240,550.11-1,696,223.87

Finding the Fourth Proportional to 3,072,879.72, 4,240,550.11 and 1,696,223.87

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Solution

The fourth proportional to 3,072,879.72, 4,240,550.11 and 1,696,223.87 is: 2,340,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,879.72 : 4,240,550.11 = 1,696,223.87 : x
  2. Step 2: Convert to fraction form
    3,072,879.72/4,240,550.11 = 1,696,223.87/x
  3. Step 3: Cross multiply
    3,072,879.72x = 4,240,550.11 × 1,696,223.87
  4. Step 4: Simplify right side
    3,072,879.72x = 7,192,922,338,391.14
  5. Step 5: Solve for x
    x = 7,192,922,338,391.14/3,072,879.72
  6. Step 6: Final answer
    x = 2,340,775.75

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1.5x scale

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.