Home / 2,790,926.20-4,186,389.30-769,166.20

Finding the Fourth Proportional to 2,790,926.20, 4,186,389.30 and 769,166.20

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Solution

The fourth proportional to 2,790,926.20, 4,186,389.30 and 769,166.20 is: 1,153,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,926.20 : 4,186,389.30 = 769,166.20 : x
  2. Step 2: Convert to fraction form
    2,790,926.20/4,186,389.30 = 769,166.20/x
  3. Step 3: Cross multiply
    2,790,926.20x = 4,186,389.30 × 769,166.20
  4. Step 4: Simplify right side
    2,790,926.20x = 3,220,029,149,601.66
  5. Step 5: Solve for x
    x = 3,220,029,149,601.66/2,790,926.20
  6. Step 6: Final answer
    x = 1,153,749.30

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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.