Home / 2,887,747.87-3,985,313.39-1,647,385.51

Finding the Fourth Proportional to 2,887,747.87, 3,985,313.39 and 1,647,385.51

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Solution

The fourth proportional to 2,887,747.87, 3,985,313.39 and 1,647,385.51 is: 2,273,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,747.87 : 3,985,313.39 = 1,647,385.51 : x
  2. Step 2: Convert to fraction form
    2,887,747.87/3,985,313.39 = 1,647,385.51/x
  3. Step 3: Cross multiply
    2,887,747.87x = 3,985,313.39 × 1,647,385.51
  4. Step 4: Simplify right side
    2,887,747.87x = 6,565,347,525,650.16
  5. Step 5: Solve for x
    x = 6,565,347,525,650.16/2,887,747.87
  6. Step 6: Final answer
    x = 2,273,518.27

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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.