Home / 4,728,216.30-7,092,324.45-2,815,028.70

Finding the Fourth Proportional to 4,728,216.30, 7,092,324.45 and 2,815,028.70

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Solution

The fourth proportional to 4,728,216.30, 7,092,324.45 and 2,815,028.70 is: 4,222,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728,216.30 : 7,092,324.45 = 2,815,028.70 : x
  2. Step 2: Convert to fraction form
    4,728,216.30/7,092,324.45 = 2,815,028.70/x
  3. Step 3: Cross multiply
    4,728,216.30x = 7,092,324.45 × 2,815,028.70
  4. Step 4: Simplify right side
    4,728,216.30x = 19,965,096,876,461.72
  5. Step 5: Solve for x
    x = 19,965,096,876,461.72/4,728,216.30
  6. Step 6: Final answer
    x = 4,222,543.05

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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.