Home / 1,921,605.55-2,882,707.22-641,816.89

Finding the Fourth Proportional to 1,921,605.55, 2,882,707.22 and 641,816.89

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Solution

The fourth proportional to 1,921,605.55, 2,882,707.22 and 641,816.89 is: 962,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,605.55 : 2,882,707.22 = 641,816.89 : x
  2. Step 2: Convert to fraction form
    1,921,605.55/2,882,707.22 = 641,816.89/x
  3. Step 3: Cross multiply
    1,921,605.55x = 2,882,707.22 × 641,816.89
  4. Step 4: Simplify right side
    1,921,605.55x = 1,850,170,177,118.72
  5. Step 5: Solve for x
    x = 1,850,170,177,118.72/1,921,605.55
  6. Step 6: Final answer
    x = 962,825.16

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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.