Home / 2,006,158.20-3,009,237.30-1,321,189.80

Finding the Fourth Proportional to 2,006,158.20, 3,009,237.30 and 1,321,189.80

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Solution

The fourth proportional to 2,006,158.20, 3,009,237.30 and 1,321,189.80 is: 1,981,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006,158.20 : 3,009,237.30 = 1,321,189.80 : x
  2. Step 2: Convert to fraction form
    2,006,158.20/3,009,237.30 = 1,321,189.80/x
  3. Step 3: Cross multiply
    2,006,158.20x = 3,009,237.30 × 1,321,189.80
  4. Step 4: Simplify right side
    2,006,158.20x = 3,975,773,626,539.54
  5. Step 5: Solve for x
    x = 3,975,773,626,539.54/2,006,158.20
  6. Step 6: Final answer
    x = 1,981,784.70

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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.