Home / 2,625,821.82-3,939,263.55-1,109,509.11

Finding the Fourth Proportional to 2,625,821.82, 3,939,263.55 and 1,109,509.11

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Solution

The fourth proportional to 2,625,821.82, 3,939,263.55 and 1,109,509.11 is: 1,664,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,821.82 : 3,939,263.55 = 1,109,509.11 : x
  2. Step 2: Convert to fraction form
    2,625,821.82/3,939,263.55 = 1,109,509.11/x
  3. Step 3: Cross multiply
    2,625,821.82x = 3,939,263.55 × 1,109,509.11
  4. Step 4: Simplify right side
    2,625,821.82x = 4,370,648,795,415.94
  5. Step 5: Solve for x
    x = 4,370,648,795,415.94/2,625,821.82
  6. Step 6: Final answer
    x = 1,664,487.96

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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.