Home / 1,924,128.90-2,887,189.20-1,396,008.90

Finding the Fourth Proportional to 1,924,128.90, 2,887,189.20 and 1,396,008.90

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Solution

The fourth proportional to 1,924,128.90, 2,887,189.20 and 1,396,008.90 is: 2,094,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,128.90 : 2,887,189.20 = 1,396,008.90 : x
  2. Step 2: Convert to fraction form
    1,924,128.90/2,887,189.20 = 1,396,008.90/x
  3. Step 3: Cross multiply
    1,924,128.90x = 2,887,189.20 × 1,396,008.90
  4. Step 4: Simplify right side
    1,924,128.90x = 4,030,541,819,183.88
  5. Step 5: Solve for x
    x = 4,030,541,819,183.88/1,924,128.90
  6. Step 6: Final answer
    x = 2,094,735.87

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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.