Home / 1,888,341.88-2,605,912.16-1,028,902.14

Finding the Fourth Proportional to 1,888,341.88, 2,605,912.16 and 1,028,902.14

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Solution

The fourth proportional to 1,888,341.88, 2,605,912.16 and 1,028,902.14 is: 1,419,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,341.88 : 2,605,912.16 = 1,028,902.14 : x
  2. Step 2: Convert to fraction form
    1,888,341.88/2,605,912.16 = 1,028,902.14/x
  3. Step 3: Cross multiply
    1,888,341.88x = 2,605,912.16 × 1,028,902.14
  4. Step 4: Simplify right side
    1,888,341.88x = 2,681,228,598,076.02
  5. Step 5: Solve for x
    x = 2,681,228,598,076.02/1,888,341.88
  6. Step 6: Final answer
    x = 1,419,885.15

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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.