Home / 3,219,812.40-4,443,125.90-1,769,476.62

Finding the Fourth Proportional to 3,219,812.40, 4,443,125.90 and 1,769,476.62

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Solution

The fourth proportional to 3,219,812.40, 4,443,125.90 and 1,769,476.62 is: 2,441,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,812.40 : 4,443,125.90 = 1,769,476.62 : x
  2. Step 2: Convert to fraction form
    3,219,812.40/4,443,125.90 = 1,769,476.62/x
  3. Step 3: Cross multiply
    3,219,812.40x = 4,443,125.90 × 1,769,476.62
  4. Step 4: Simplify right side
    3,219,812.40x = 7,862,007,399,766.46
  5. Step 5: Solve for x
    x = 7,862,007,399,766.46/3,219,812.40
  6. Step 6: Final answer
    x = 2,441,759.46

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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.