Home / 2,221,117.30-3,331,879.26-623,669.62

Finding the Fourth Proportional to 2,221,117.30, 3,331,879.26 and 623,669.62

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Solution

The fourth proportional to 2,221,117.30, 3,331,879.26 and 623,669.62 is: 935,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,117.30 : 3,331,879.26 = 623,669.62 : x
  2. Step 2: Convert to fraction form
    2,221,117.30/3,331,879.26 = 623,669.62/x
  3. Step 3: Cross multiply
    2,221,117.30x = 3,331,879.26 × 623,669.62
  4. Step 4: Simplify right side
    2,221,117.30x = 2,077,991,863,640.38
  5. Step 5: Solve for x
    x = 2,077,991,863,640.38/2,221,117.30
  6. Step 6: Final answer
    x = 935,561.51

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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.