Home / 1,428,910.98-2,151,920.19-1,301,365.14

Finding the Fourth Proportional to 1,428,910.98, 2,151,920.19 and 1,301,365.14

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Solution

The fourth proportional to 1,428,910.98, 2,151,920.19 and 1,301,365.14 is: 1,959,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,910.98 : 2,151,920.19 = 1,301,365.14 : x
  2. Step 2: Convert to fraction form
    1,428,910.98/2,151,920.19 = 1,301,365.14/x
  3. Step 3: Cross multiply
    1,428,910.98x = 2,151,920.19 × 1,301,365.14
  4. Step 4: Simplify right side
    1,428,910.98x = 2,800,433,912,478.51
  5. Step 5: Solve for x
    x = 2,800,433,912,478.51/1,428,910.98
  6. Step 6: Final answer
    x = 1,959,837.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.