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Finding the Fourth Proportional to 2,819,404.82, 3,890,782.44 and 1,530,244.86

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Solution

The fourth proportional to 2,819,404.82, 3,890,782.44 and 1,530,244.86 is: 2,111,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,404.82 : 3,890,782.44 = 1,530,244.86 : x
  2. Step 2: Convert to fraction form
    2,819,404.82/3,890,782.44 = 1,530,244.86/x
  3. Step 3: Cross multiply
    2,819,404.82x = 3,890,782.44 × 1,530,244.86
  4. Step 4: Simplify right side
    2,819,404.82x = 5,953,849,830,188.26
  5. Step 5: Solve for x
    x = 5,953,849,830,188.26/2,819,404.82
  6. Step 6: Final answer
    x = 2,111,739.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.