Home / 2,887,759.15-3,985,328.99-1,647,396.83

Finding the Fourth Proportional to 2,887,759.15, 3,985,328.99 and 1,647,396.83

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Solution

The fourth proportional to 2,887,759.15, 3,985,328.99 and 1,647,396.83 is: 2,273,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,759.15 : 3,985,328.99 = 1,647,396.83 : x
  2. Step 2: Convert to fraction form
    2,887,759.15/3,985,328.99 = 1,647,396.83/x
  3. Step 3: Cross multiply
    2,887,759.15x = 3,985,328.99 × 1,647,396.83
  4. Step 4: Simplify right side
    2,887,759.15x = 6,565,418,358,714.92
  5. Step 5: Solve for x
    x = 6,565,418,358,714.92/2,887,759.15
  6. Step 6: Final answer
    x = 2,273,533.91

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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.