Home / 1,819,610.64-2,731,781.16-1,399,181.76

Finding the Fourth Proportional to 1,819,610.64, 2,731,781.16 and 1,399,181.76

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Solution

The fourth proportional to 1,819,610.64, 2,731,781.16 and 1,399,181.76 is: 2,100,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,610.64 : 2,731,781.16 = 1,399,181.76 : x
  2. Step 2: Convert to fraction form
    1,819,610.64/2,731,781.16 = 1,399,181.76/x
  3. Step 3: Cross multiply
    1,819,610.64x = 2,731,781.16 × 1,399,181.76
  4. Step 4: Simplify right side
    1,819,610.64x = 3,822,258,371,383.64
  5. Step 5: Solve for x
    x = 3,822,258,371,383.64/1,819,610.64
  6. Step 6: Final answer
    x = 2,100,591.35

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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.