Home / 3,620,114.30-4,991,663.82-2,311,645.86

Finding the Fourth Proportional to 3,620,114.30, 4,991,663.82 and 2,311,645.86

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Solution

The fourth proportional to 3,620,114.30, 4,991,663.82 and 2,311,645.86 is: 3,187,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,114.30 : 4,991,663.82 = 2,311,645.86 : x
  2. Step 2: Convert to fraction form
    3,620,114.30/4,991,663.82 = 2,311,645.86/x
  3. Step 3: Cross multiply
    3,620,114.30x = 4,991,663.82 × 2,311,645.86
  4. Step 4: Simplify right side
    3,620,114.30x = 11,538,959,004,014.79
  5. Step 5: Solve for x
    x = 11,538,959,004,014.79/3,620,114.30
  6. Step 6: Final answer
    x = 3,187,457.10

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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.