Home / 2,688,909.80-4,032,198.30-891,098.60

Finding the Fourth Proportional to 2,688,909.80, 4,032,198.30 and 891,098.60

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Solution

The fourth proportional to 2,688,909.80, 4,032,198.30 and 891,098.60 is: 1,336,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,909.80 : 4,032,198.30 = 891,098.60 : x
  2. Step 2: Convert to fraction form
    2,688,909.80/4,032,198.30 = 891,098.60/x
  3. Step 3: Cross multiply
    2,688,909.80x = 4,032,198.30 × 891,098.60
  4. Step 4: Simplify right side
    2,688,909.80x = 3,593,086,260,052.38
  5. Step 5: Solve for x
    x = 3,593,086,260,052.38/2,688,909.80
  6. Step 6: Final answer
    x = 1,336,261.36

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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.