Home / 3,610,035.29-4,981,855.76-1,978,503.22

Finding the Fourth Proportional to 3,610,035.29, 4,981,855.76 and 1,978,503.22

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Solution

The fourth proportional to 3,610,035.29, 4,981,855.76 and 1,978,503.22 is: 2,730,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,035.29 : 4,981,855.76 = 1,978,503.22 : x
  2. Step 2: Convert to fraction form
    3,610,035.29/4,981,855.76 = 1,978,503.22/x
  3. Step 3: Cross multiply
    3,610,035.29x = 4,981,855.76 × 1,978,503.22
  4. Step 4: Simplify right side
    3,610,035.29x = 9,856,617,662,735.55
  5. Step 5: Solve for x
    x = 9,856,617,662,735.55/3,610,035.29
  6. Step 6: Final answer
    x = 2,730,338.31

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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.