Home / 2,407,897-3,322,897.86-1,389,301.75

Finding the Fourth Proportional to 2,407,897, 3,322,897.86 and 1,389,301.75

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Solution

The fourth proportional to 2,407,897, 3,322,897.86 and 1,389,301.75 is: 1,917,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407,897 : 3,322,897.86 = 1,389,301.75 : x
  2. Step 2: Convert to fraction form
    2,407,897/3,322,897.86 = 1,389,301.75/x
  3. Step 3: Cross multiply
    2,407,897x = 3,322,897.86 × 1,389,301.75
  4. Step 4: Simplify right side
    2,407,897x = 4,616,507,811,969.26
  5. Step 5: Solve for x
    x = 4,616,507,811,969.26/2,407,897
  6. Step 6: Final answer
    x = 1,917,236.42

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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.