Home / 3,019,816.28-4,167,346.49-1,661,689.28

Finding the Fourth Proportional to 3,019,816.28, 4,167,346.49 and 1,661,689.28

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Solution

The fourth proportional to 3,019,816.28, 4,167,346.49 and 1,661,689.28 is: 2,293,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,816.28 : 4,167,346.49 = 1,661,689.28 : x
  2. Step 2: Convert to fraction form
    3,019,816.28/4,167,346.49 = 1,661,689.28/x
  3. Step 3: Cross multiply
    3,019,816.28x = 4,167,346.49 × 1,661,689.28
  4. Step 4: Simplify right side
    3,019,816.28x = 6,924,834,996,819.88
  5. Step 5: Solve for x
    x = 6,924,834,996,819.88/3,019,816.28
  6. Step 6: Final answer
    x = 2,293,131.22

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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.