Home / 2,231,857.60-3,079,927.20-1,213,288

Finding the Fourth Proportional to 2,231,857.60, 3,079,927.20 and 1,213,288

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Solution

The fourth proportional to 2,231,857.60, 3,079,927.20 and 1,213,288 is: 1,674,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,857.60 : 3,079,927.20 = 1,213,288 : x
  2. Step 2: Convert to fraction form
    2,231,857.60/3,079,927.20 = 1,213,288/x
  3. Step 3: Cross multiply
    2,231,857.60x = 3,079,927.20 × 1,213,288
  4. Step 4: Simplify right side
    2,231,857.60x = 3,736,838,712,633.60
  5. Step 5: Solve for x
    x = 3,736,838,712,633.60/2,231,857.60
  6. Step 6: Final answer
    x = 1,674,317.71

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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.