Home / 1,819,626.64-2,731,805.16-1,399,197.76

Finding the Fourth Proportional to 1,819,626.64, 2,731,805.16 and 1,399,197.76

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Solution

The fourth proportional to 1,819,626.64, 2,731,805.16 and 1,399,197.76 is: 2,100,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,626.64 : 2,731,805.16 = 1,399,197.76 : x
  2. Step 2: Convert to fraction form
    1,819,626.64/2,731,805.16 = 1,399,197.76/x
  3. Step 3: Cross multiply
    1,819,626.64x = 2,731,805.16 × 1,399,197.76
  4. Step 4: Simplify right side
    1,819,626.64x = 3,822,335,660,628.44
  5. Step 5: Solve for x
    x = 3,822,335,660,628.44/1,819,626.64
  6. Step 6: Final answer
    x = 2,100,615.36

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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.