Home / 2,889,910.08-3,987,900.48-1,600,675.20

Finding the Fourth Proportional to 2,889,910.08, 3,987,900.48 and 1,600,675.20

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Solution

The fourth proportional to 2,889,910.08, 3,987,900.48 and 1,600,675.20 is: 2,208,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,910.08 : 3,987,900.48 = 1,600,675.20 : x
  2. Step 2: Convert to fraction form
    2,889,910.08/3,987,900.48 = 1,600,675.20/x
  3. Step 3: Cross multiply
    2,889,910.08x = 3,987,900.48 × 1,600,675.20
  4. Step 4: Simplify right side
    2,889,910.08x = 6,383,333,398,404.10
  5. Step 5: Solve for x
    x = 6,383,333,398,404.10/2,889,910.08
  6. Step 6: Final answer
    x = 2,208,834.61

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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.