Home / 2,889,511.11-3,987,288.77-1,649,115.36

Finding the Fourth Proportional to 2,889,511.11, 3,987,288.77 and 1,649,115.36

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Solution

The fourth proportional to 2,889,511.11, 3,987,288.77 and 1,649,115.36 is: 2,275,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,511.11 : 3,987,288.77 = 1,649,115.36 : x
  2. Step 2: Convert to fraction form
    2,889,511.11/3,987,288.77 = 1,649,115.36/x
  3. Step 3: Cross multiply
    2,889,511.11x = 3,987,288.77 × 1,649,115.36
  4. Step 4: Simplify right side
    2,889,511.11x = 6,575,499,147,116.93
  5. Step 5: Solve for x
    x = 6,575,499,147,116.93/2,889,511.11
  6. Step 6: Final answer
    x = 2,275,644.18

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1.5x scale

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.