Home / 3,531,346.68-4,872,921.30-1,982,253.36

Finding the Fourth Proportional to 3,531,346.68, 4,872,921.30 and 1,982,253.36

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Solution

The fourth proportional to 3,531,346.68, 4,872,921.30 and 1,982,253.36 is: 2,735,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,346.68 : 4,872,921.30 = 1,982,253.36 : x
  2. Step 2: Convert to fraction form
    3,531,346.68/4,872,921.30 = 1,982,253.36/x
  3. Step 3: Cross multiply
    3,531,346.68x = 4,872,921.30 × 1,982,253.36
  4. Step 4: Simplify right side
    3,531,346.68x = 9,659,364,619,940.57
  5. Step 5: Solve for x
    x = 9,659,364,619,940.57/3,531,346.68
  6. Step 6: Final answer
    x = 2,735,320.40

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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.