Home / 2,725,336.80-4,088,005.20-831,832.20

Finding the Fourth Proportional to 2,725,336.80, 4,088,005.20 and 831,832.20

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Solution

The fourth proportional to 2,725,336.80, 4,088,005.20 and 831,832.20 is: 1,247,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,336.80 : 4,088,005.20 = 831,832.20 : x
  2. Step 2: Convert to fraction form
    2,725,336.80/4,088,005.20 = 831,832.20/x
  3. Step 3: Cross multiply
    2,725,336.80x = 4,088,005.20 × 831,832.20
  4. Step 4: Simplify right side
    2,725,336.80x = 3,400,534,359,127.44
  5. Step 5: Solve for x
    x = 3,400,534,359,127.44/2,725,336.80
  6. Step 6: Final answer
    x = 1,247,748.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.