Home / 2,217,105.06-3,059,609.45-1,198,509.81

Finding the Fourth Proportional to 2,217,105.06, 3,059,609.45 and 1,198,509.81

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Solution

The fourth proportional to 2,217,105.06, 3,059,609.45 and 1,198,509.81 is: 1,653,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,105.06 : 3,059,609.45 = 1,198,509.81 : x
  2. Step 2: Convert to fraction form
    2,217,105.06/3,059,609.45 = 1,198,509.81/x
  3. Step 3: Cross multiply
    2,217,105.06x = 3,059,609.45 × 1,198,509.81
  4. Step 4: Simplify right side
    2,217,105.06x = 3,666,971,934,601.16
  5. Step 5: Solve for x
    x = 3,666,971,934,601.16/2,217,105.06
  6. Step 6: Final answer
    x = 1,653,945.95

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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.