Home / 2,699,910.20-4,049,930.10-806,713.40

Finding the Fourth Proportional to 2,699,910.20, 4,049,930.10 and 806,713.40

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Solution

The fourth proportional to 2,699,910.20, 4,049,930.10 and 806,713.40 is: 1,210,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,910.20 : 4,049,930.10 = 806,713.40 : x
  2. Step 2: Convert to fraction form
    2,699,910.20/4,049,930.10 = 806,713.40/x
  3. Step 3: Cross multiply
    2,699,910.20x = 4,049,930.10 × 806,713.40
  4. Step 4: Simplify right side
    2,699,910.20x = 3,267,132,880,733.34
  5. Step 5: Solve for x
    x = 3,267,132,880,733.34/2,699,910.20
  6. Step 6: Final answer
    x = 1,210,089.46

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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.