Home / 3,426,120-5,137,187.97-1,296,368.37

Finding the Fourth Proportional to 3,426,120, 5,137,187.97 and 1,296,368.37

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Solution

The fourth proportional to 3,426,120, 5,137,187.97 and 1,296,368.37 is: 1,943,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,120 : 5,137,187.97 = 1,296,368.37 : x
  2. Step 2: Convert to fraction form
    3,426,120/5,137,187.97 = 1,296,368.37/x
  3. Step 3: Cross multiply
    3,426,120x = 5,137,187.97 × 1,296,368.37
  4. Step 4: Simplify right side
    3,426,120x = 6,659,687,995,052.51
  5. Step 5: Solve for x
    x = 6,659,687,995,052.51/3,426,120
  6. Step 6: Final answer
    x = 1,943,798.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.