Home / 2,131,258.51-2,941,135.14-1,213,440.22

Finding the Fourth Proportional to 2,131,258.51, 2,941,135.14 and 1,213,440.22

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Solution

The fourth proportional to 2,131,258.51, 2,941,135.14 and 1,213,440.22 is: 1,674,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,258.51 : 2,941,135.14 = 1,213,440.22 : x
  2. Step 2: Convert to fraction form
    2,131,258.51/2,941,135.14 = 1,213,440.22/x
  3. Step 3: Cross multiply
    2,131,258.51x = 2,941,135.14 × 1,213,440.22
  4. Step 4: Simplify right side
    2,131,258.51x = 3,568,891,671,331.33
  5. Step 5: Solve for x
    x = 3,568,891,671,331.33/2,131,258.51
  6. Step 6: Final answer
    x = 1,674,546.59

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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.