Home / 2,438,128.50-3,656,901.56-641,151.95

Finding the Fourth Proportional to 2,438,128.50, 3,656,901.56 and 641,151.95

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Solution

The fourth proportional to 2,438,128.50, 3,656,901.56 and 641,151.95 is: 961,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,128.50 : 3,656,901.56 = 641,151.95 : x
  2. Step 2: Convert to fraction form
    2,438,128.50/3,656,901.56 = 641,151.95/x
  3. Step 3: Cross multiply
    2,438,128.50x = 3,656,901.56 × 641,151.95
  4. Step 4: Simplify right side
    2,438,128.50x = 2,344,629,544,661.77
  5. Step 5: Solve for x
    x = 2,344,629,544,661.77/2,438,128.50
  6. Step 6: Final answer
    x = 961,651.34

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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.