Home / 2,856,830.16-4,285,162.20-835,121.56

Finding the Fourth Proportional to 2,856,830.16, 4,285,162.20 and 835,121.56

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Solution

The fourth proportional to 2,856,830.16, 4,285,162.20 and 835,121.56 is: 1,252,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,830.16 : 4,285,162.20 = 835,121.56 : x
  2. Step 2: Convert to fraction form
    2,856,830.16/4,285,162.20 = 835,121.56/x
  3. Step 3: Cross multiply
    2,856,830.16x = 4,285,162.20 × 835,121.56
  4. Step 4: Simplify right side
    2,856,830.16x = 3,578,631,341,317.03
  5. Step 5: Solve for x
    x = 3,578,631,341,317.03/2,856,830.16
  6. Step 6: Final answer
    x = 1,252,658.07

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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.