Home / 2,124,406-3,184,339.92-1,211,623.27

Finding the Fourth Proportional to 2,124,406, 3,184,339.92 and 1,211,623.27

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Solution

The fourth proportional to 2,124,406, 3,184,339.92 and 1,211,623.27 is: 1,816,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,406 : 3,184,339.92 = 1,211,623.27 : x
  2. Step 2: Convert to fraction form
    2,124,406/3,184,339.92 = 1,211,623.27/x
  3. Step 3: Cross multiply
    2,124,406x = 3,184,339.92 × 1,211,623.27
  4. Step 4: Simplify right side
    2,124,406x = 3,858,220,346,661.94
  5. Step 5: Solve for x
    x = 3,858,220,346,661.94/2,124,406
  6. Step 6: Final answer
    x = 1,816,140.77

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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.