Home / 2,930,022.61-4,394,992.91-1,777,543.81

Finding the Fourth Proportional to 2,930,022.61, 4,394,992.91 and 1,777,543.81

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Solution

The fourth proportional to 2,930,022.61, 4,394,992.91 and 1,777,543.81 is: 2,666,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,022.61 : 4,394,992.91 = 1,777,543.81 : x
  2. Step 2: Convert to fraction form
    2,930,022.61/4,394,992.91 = 1,777,543.81/x
  3. Step 3: Cross multiply
    2,930,022.61x = 4,394,992.91 × 1,777,543.81
  4. Step 4: Simplify right side
    2,930,022.61x = 7,812,292,422,289.19
  5. Step 5: Solve for x
    x = 7,812,292,422,289.19/2,930,022.61
  6. Step 6: Final answer
    x = 2,666,290.83

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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.