Home / 2,086,039.80-3,129,059.70-823,217.40

Finding the Fourth Proportional to 2,086,039.80, 3,129,059.70 and 823,217.40

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Solution

The fourth proportional to 2,086,039.80, 3,129,059.70 and 823,217.40 is: 1,234,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,039.80 : 3,129,059.70 = 823,217.40 : x
  2. Step 2: Convert to fraction form
    2,086,039.80/3,129,059.70 = 823,217.40/x
  3. Step 3: Cross multiply
    2,086,039.80x = 3,129,059.70 × 823,217.40
  4. Step 4: Simplify right side
    2,086,039.80x = 2,575,896,390,678.78
  5. Step 5: Solve for x
    x = 2,575,896,390,678.78/2,086,039.80
  6. Step 6: Final answer
    x = 1,234,826.10

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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.