Home / 2,127,845.30-3,194,720.40-1,330,683.80

Finding the Fourth Proportional to 2,127,845.30, 3,194,720.40 and 1,330,683.80

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Solution

The fourth proportional to 2,127,845.30, 3,194,720.40 and 1,330,683.80 is: 1,997,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,845.30 : 3,194,720.40 = 1,330,683.80 : x
  2. Step 2: Convert to fraction form
    2,127,845.30/3,194,720.40 = 1,330,683.80/x
  3. Step 3: Cross multiply
    2,127,845.30x = 3,194,720.40 × 1,330,683.80
  4. Step 4: Simplify right side
    2,127,845.30x = 4,251,162,681,809.52
  5. Step 5: Solve for x
    x = 4,251,162,681,809.52/2,127,845.30
  6. Step 6: Final answer
    x = 1,997,872.06

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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.