Home / 3,910,655.57-5,397,260.81-2,168,712.37

Finding the Fourth Proportional to 3,910,655.57, 5,397,260.81 and 2,168,712.37

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Solution

The fourth proportional to 3,910,655.57, 5,397,260.81 and 2,168,712.37 is: 2,993,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,655.57 : 5,397,260.81 = 2,168,712.37 : x
  2. Step 2: Convert to fraction form
    3,910,655.57/5,397,260.81 = 2,168,712.37/x
  3. Step 3: Cross multiply
    3,910,655.57x = 5,397,260.81 × 2,168,712.37
  4. Step 4: Simplify right side
    3,910,655.57x = 11,705,106,258,426.51
  5. Step 5: Solve for x
    x = 11,705,106,258,426.51/3,910,655.57
  6. Step 6: Final answer
    x = 2,993,131.47

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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.