Home / 3,182,679.05-4,392,213-1,732,304.39

Finding the Fourth Proportional to 3,182,679.05, 4,392,213 and 1,732,304.39

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Solution

The fourth proportional to 3,182,679.05, 4,392,213 and 1,732,304.39 is: 2,390,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,679.05 : 4,392,213 = 1,732,304.39 : x
  2. Step 2: Convert to fraction form
    3,182,679.05/4,392,213 = 1,732,304.39/x
  3. Step 3: Cross multiply
    3,182,679.05x = 4,392,213 × 1,732,304.39
  4. Step 4: Simplify right side
    3,182,679.05x = 7,608,649,861,715.07
  5. Step 5: Solve for x
    x = 7,608,649,861,715.07/3,182,679.05
  6. Step 6: Final answer
    x = 2,390,643.15

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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.