Home / 3,531,405.68-4,873,002.72-1,982,312.72

Finding the Fourth Proportional to 3,531,405.68, 4,873,002.72 and 1,982,312.72

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Solution

The fourth proportional to 3,531,405.68, 4,873,002.72 and 1,982,312.72 is: 2,735,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,405.68 : 4,873,002.72 = 1,982,312.72 : x
  2. Step 2: Convert to fraction form
    3,531,405.68/4,873,002.72 = 1,982,312.72/x
  3. Step 3: Cross multiply
    3,531,405.68x = 4,873,002.72 × 1,982,312.72
  4. Step 4: Simplify right side
    3,531,405.68x = 9,659,815,276,450.60
  5. Step 5: Solve for x
    x = 9,659,815,276,450.60/3,531,405.68
  6. Step 6: Final answer
    x = 2,735,402.32

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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.