Home / 2,139,053.92-3,206,421.90-1,340,895.97

Finding the Fourth Proportional to 2,139,053.92, 3,206,421.90 and 1,340,895.97

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Solution

The fourth proportional to 2,139,053.92, 3,206,421.90 and 1,340,895.97 is: 2,009,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,053.92 : 3,206,421.90 = 1,340,895.97 : x
  2. Step 2: Convert to fraction form
    2,139,053.92/3,206,421.90 = 1,340,895.97/x
  3. Step 3: Cross multiply
    2,139,053.92x = 3,206,421.90 × 1,340,895.97
  4. Step 4: Simplify right side
    2,139,053.92x = 4,299,478,195,813.69
  5. Step 5: Solve for x
    x = 4,299,478,195,813.69/2,139,053.92
  6. Step 6: Final answer
    x = 2,009,990.56

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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.