Home / 2,592,970.80-3,889,456.20-699,709.20

Finding the Fourth Proportional to 2,592,970.80, 3,889,456.20 and 699,709.20

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Solution

The fourth proportional to 2,592,970.80, 3,889,456.20 and 699,709.20 is: 1,049,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592,970.80 : 3,889,456.20 = 699,709.20 : x
  2. Step 2: Convert to fraction form
    2,592,970.80/3,889,456.20 = 699,709.20/x
  3. Step 3: Cross multiply
    2,592,970.80x = 3,889,456.20 × 699,709.20
  4. Step 4: Simplify right side
    2,592,970.80x = 2,721,488,286,137.04
  5. Step 5: Solve for x
    x = 2,721,488,286,137.04/2,592,970.80
  6. Step 6: Final answer
    x = 1,049,563.80

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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.