Home / 2,889,405.22-3,987,603.58-1,600,365.55

Finding the Fourth Proportional to 2,889,405.22, 3,987,603.58 and 1,600,365.55

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Solution

The fourth proportional to 2,889,405.22, 3,987,603.58 and 1,600,365.55 is: 2,208,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,405.22 : 3,987,603.58 = 1,600,365.55 : x
  2. Step 2: Convert to fraction form
    2,889,405.22/3,987,603.58 = 1,600,365.55/x
  3. Step 3: Cross multiply
    2,889,405.22x = 3,987,603.58 × 1,600,365.55
  4. Step 4: Simplify right side
    2,889,405.22x = 6,381,623,376,550.65
  5. Step 5: Solve for x
    x = 6,381,623,376,550.65/2,889,405.22
  6. Step 6: Final answer
    x = 2,208,628.73

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Why These Related Problems?

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