Home / 3,107,940.76-4,288,388.89-1,731,250.21

Finding the Fourth Proportional to 3,107,940.76, 4,288,388.89 and 1,731,250.21

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Solution

The fourth proportional to 3,107,940.76, 4,288,388.89 and 1,731,250.21 is: 2,388,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,940.76 : 4,288,388.89 = 1,731,250.21 : x
  2. Step 2: Convert to fraction form
    3,107,940.76/4,288,388.89 = 1,731,250.21/x
  3. Step 3: Cross multiply
    3,107,940.76x = 4,288,388.89 × 1,731,250.21
  4. Step 4: Simplify right side
    3,107,940.76x = 7,424,274,166,374.17
  5. Step 5: Solve for x
    x = 7,424,274,166,374.17/3,107,940.76
  6. Step 6: Final answer
    x = 2,388,808.13

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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.