Home / 2,887,748.12-3,985,313.74-1,647,385.76

Finding the Fourth Proportional to 2,887,748.12, 3,985,313.74 and 1,647,385.76

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Solution

The fourth proportional to 2,887,748.12, 3,985,313.74 and 1,647,385.76 is: 2,273,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,748.12 : 3,985,313.74 = 1,647,385.76 : x
  2. Step 2: Convert to fraction form
    2,887,748.12/3,985,313.74 = 1,647,385.76/x
  3. Step 3: Cross multiply
    2,887,748.12x = 3,985,313.74 × 1,647,385.76
  4. Step 4: Simplify right side
    2,887,748.12x = 6,565,349,104,408.34
  5. Step 5: Solve for x
    x = 6,565,349,104,408.34/2,887,748.12
  6. Step 6: Final answer
    x = 2,273,518.61

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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.