Home / 2,894,680.20-3,995,136.84-1,605,935.76

Finding the Fourth Proportional to 2,894,680.20, 3,995,136.84 and 1,605,935.76

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Solution

The fourth proportional to 2,894,680.20, 3,995,136.84 and 1,605,935.76 is: 2,216,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,680.20 : 3,995,136.84 = 1,605,935.76 : x
  2. Step 2: Convert to fraction form
    2,894,680.20/3,995,136.84 = 1,605,935.76/x
  3. Step 3: Cross multiply
    2,894,680.20x = 3,995,136.84 × 1,605,935.76
  4. Step 4: Simplify right side
    2,894,680.20x = 6,415,933,117,449.40
  5. Step 5: Solve for x
    x = 6,415,933,117,449.40/2,894,680.20
  6. Step 6: Final answer
    x = 2,216,456.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.