Home / 1,888,165.11-2,605,697.73-1,028,725.11

Finding the Fourth Proportional to 1,888,165.11, 2,605,697.73 and 1,028,725.11

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Solution

The fourth proportional to 1,888,165.11, 2,605,697.73 and 1,028,725.11 is: 1,419,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,165.11 : 2,605,697.73 = 1,028,725.11 : x
  2. Step 2: Convert to fraction form
    1,888,165.11/2,605,697.73 = 1,028,725.11/x
  3. Step 3: Cross multiply
    1,888,165.11x = 2,605,697.73 × 1,028,725.11
  4. Step 4: Simplify right side
    1,888,165.11x = 2,680,546,665,748.89
  5. Step 5: Solve for x
    x = 2,680,546,665,748.89/1,888,165.11
  6. Step 6: Final answer
    x = 1,419,656.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.