Home / 1,924,128.87-2,887,189.20-1,396,008.87

Finding the Fourth Proportional to 1,924,128.87, 2,887,189.20 and 1,396,008.87

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Solution

The fourth proportional to 1,924,128.87, 2,887,189.20 and 1,396,008.87 is: 2,094,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,128.87 : 2,887,189.20 = 1,396,008.87 : x
  2. Step 2: Convert to fraction form
    1,924,128.87/2,887,189.20 = 1,396,008.87/x
  3. Step 3: Cross multiply
    1,924,128.87x = 2,887,189.20 × 1,396,008.87
  4. Step 4: Simplify right side
    1,924,128.87x = 4,030,541,732,568.20
  5. Step 5: Solve for x
    x = 4,030,541,732,568.20/1,924,128.87
  6. Step 6: Final answer
    x = 2,094,735.85

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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.