Home / 2,076,912.20-3,118,575.90-1,132,128.20

Finding the Fourth Proportional to 2,076,912.20, 3,118,575.90 and 1,132,128.20

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Solution

The fourth proportional to 2,076,912.20, 3,118,575.90 and 1,132,128.20 is: 1,699,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,912.20 : 3,118,575.90 = 1,132,128.20 : x
  2. Step 2: Convert to fraction form
    2,076,912.20/3,118,575.90 = 1,132,128.20/x
  3. Step 3: Cross multiply
    2,076,912.20x = 3,118,575.90 × 1,132,128.20
  4. Step 4: Simplify right side
    2,076,912.20x = 3,530,627,720,230.38
  5. Step 5: Solve for x
    x = 3,530,627,720,230.38/2,076,912.20
  6. Step 6: Final answer
    x = 1,699,940.77

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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.