Home / 1,924,129.87-2,887,190.70-1,396,009.87

Finding the Fourth Proportional to 1,924,129.87, 2,887,190.70 and 1,396,009.87

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Solution

The fourth proportional to 1,924,129.87, 2,887,190.70 and 1,396,009.87 is: 2,094,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,129.87 : 2,887,190.70 = 1,396,009.87 : x
  2. Step 2: Convert to fraction form
    1,924,129.87/2,887,190.70 = 1,396,009.87/x
  3. Step 3: Cross multiply
    1,924,129.87x = 2,887,190.70 × 1,396,009.87
  4. Step 4: Simplify right side
    1,924,129.87x = 4,030,546,713,772.21
  5. Step 5: Solve for x
    x = 4,030,546,713,772.21/1,924,129.87
  6. Step 6: Final answer
    x = 2,094,737.35

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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.