Home / 2,790,352.20-4,185,528.30-768,908.10

Finding the Fourth Proportional to 2,790,352.20, 4,185,528.30 and 768,908.10

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Solution

The fourth proportional to 2,790,352.20, 4,185,528.30 and 768,908.10 is: 1,153,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,352.20 : 4,185,528.30 = 768,908.10 : x
  2. Step 2: Convert to fraction form
    2,790,352.20/4,185,528.30 = 768,908.10/x
  3. Step 3: Cross multiply
    2,790,352.20x = 4,185,528.30 × 768,908.10
  4. Step 4: Simplify right side
    2,790,352.20x = 3,218,286,612,649.23
  5. Step 5: Solve for x
    x = 3,218,286,612,649.23/2,790,352.20
  6. Step 6: Final answer
    x = 1,153,362.15

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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.