Home / 5,213,636.92-7,824,680.36-2,690,013.88

Finding the Fourth Proportional to 5,213,636.92, 7,824,680.36 and 2,690,013.88

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Solution

The fourth proportional to 5,213,636.92, 7,824,680.36 and 2,690,013.88 is: 4,037,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,636.92 : 7,824,680.36 = 2,690,013.88 : x
  2. Step 2: Convert to fraction form
    5,213,636.92/7,824,680.36 = 2,690,013.88/x
  3. Step 3: Cross multiply
    5,213,636.92x = 7,824,680.36 × 2,690,013.88
  4. Step 4: Simplify right side
    5,213,636.92x = 21,048,498,774,963.40
  5. Step 5: Solve for x
    x = 21,048,498,774,963.40/5,213,636.92
  6. Step 6: Final answer
    x = 4,037,200.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.