Home / 2,989,663.52-4,125,734.54-1,631,536.52

Finding the Fourth Proportional to 2,989,663.52, 4,125,734.54 and 1,631,536.52

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Solution

The fourth proportional to 2,989,663.52, 4,125,734.54 and 1,631,536.52 is: 2,251,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,663.52 : 4,125,734.54 = 1,631,536.52 : x
  2. Step 2: Convert to fraction form
    2,989,663.52/4,125,734.54 = 1,631,536.52/x
  3. Step 3: Cross multiply
    2,989,663.52x = 4,125,734.54 × 1,631,536.52
  4. Step 4: Simplify right side
    2,989,663.52x = 6,731,286,545,049.05
  5. Step 5: Solve for x
    x = 6,731,286,545,049.05/2,989,663.52
  6. Step 6: Final answer
    x = 2,251,519.78

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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.