Home / 2,887,755.50-3,985,519.55-1,663,826.47

Finding the Fourth Proportional to 2,887,755.50, 3,985,519.55 and 1,663,826.47

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Solution

The fourth proportional to 2,887,755.50, 3,985,519.55 and 1,663,826.47 is: 2,296,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,755.50 : 3,985,519.55 = 1,663,826.47 : x
  2. Step 2: Convert to fraction form
    2,887,755.50/3,985,519.55 = 1,663,826.47/x
  3. Step 3: Cross multiply
    2,887,755.50x = 3,985,519.55 × 1,663,826.47
  4. Step 4: Simplify right side
    2,887,755.50x = 6,631,212,905,709.56
  5. Step 5: Solve for x
    x = 6,631,212,905,709.56/2,887,755.50
  6. Step 6: Final answer
    x = 2,296,320.76

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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.