Home / 1,811,980.86-2,500,550.40-996,190.29

Finding the Fourth Proportional to 1,811,980.86, 2,500,550.40 and 996,190.29

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Solution

The fourth proportional to 1,811,980.86, 2,500,550.40 and 996,190.29 is: 1,374,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,980.86 : 2,500,550.40 = 996,190.29 : x
  2. Step 2: Convert to fraction form
    1,811,980.86/2,500,550.40 = 996,190.29/x
  3. Step 3: Cross multiply
    1,811,980.86x = 2,500,550.40 × 996,190.29
  4. Step 4: Simplify right side
    1,811,980.86x = 2,491,024,028,135.62
  5. Step 5: Solve for x
    x = 2,491,024,028,135.62/1,811,980.86
  6. Step 6: Final answer
    x = 1,374,751.84

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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.