Home / 4,190,917.52-5,787,857.03-2,887,558.47

Finding the Fourth Proportional to 4,190,917.52, 5,787,857.03 and 2,887,558.47

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Solution

The fourth proportional to 4,190,917.52, 5,787,857.03 and 2,887,558.47 is: 3,987,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,917.52 : 5,787,857.03 = 2,887,558.47 : x
  2. Step 2: Convert to fraction form
    4,190,917.52/5,787,857.03 = 2,887,558.47/x
  3. Step 3: Cross multiply
    4,190,917.52x = 5,787,857.03 × 2,887,558.47
  4. Step 4: Simplify right side
    4,190,917.52x = 16,712,775,575,687.75
  5. Step 5: Solve for x
    x = 16,712,775,575,687.75/4,190,917.52
  6. Step 6: Final answer
    x = 3,987,856.00

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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.