Home / 5,198,663.40-7,798,516.20-1,786,500.60

Finding the Fourth Proportional to 5,198,663.40, 7,798,516.20 and 1,786,500.60

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Solution

The fourth proportional to 5,198,663.40, 7,798,516.20 and 1,786,500.60 is: 2,679,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,663.40 : 7,798,516.20 = 1,786,500.60 : x
  2. Step 2: Convert to fraction form
    5,198,663.40/7,798,516.20 = 1,786,500.60/x
  3. Step 3: Cross multiply
    5,198,663.40x = 7,798,516.20 × 1,786,500.60
  4. Step 4: Simplify right side
    5,198,663.40x = 13,932,053,870,409.72
  5. Step 5: Solve for x
    x = 13,932,053,870,409.72/5,198,663.40
  6. Step 6: Final answer
    x = 2,679,929.97

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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.