Home / 2,519,009.69-3,778,513.76-813,403.92

Finding the Fourth Proportional to 2,519,009.69, 3,778,513.76 and 813,403.92

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Solution

The fourth proportional to 2,519,009.69, 3,778,513.76 and 813,403.92 is: 1,220,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,009.69 : 3,778,513.76 = 813,403.92 : x
  2. Step 2: Convert to fraction form
    2,519,009.69/3,778,513.76 = 813,403.92/x
  3. Step 3: Cross multiply
    2,519,009.69x = 3,778,513.76 × 813,403.92
  4. Step 4: Simplify right side
    2,519,009.69x = 3,073,457,900,090.92
  5. Step 5: Solve for x
    x = 3,073,457,900,090.92/2,519,009.69
  6. Step 6: Final answer
    x = 1,220,105.63

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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.