Home / 3,622,918.82-4,999,679.31-1,991,477.03

Finding the Fourth Proportional to 3,622,918.82, 4,999,679.31 and 1,991,477.03

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Solution

The fourth proportional to 3,622,918.82, 4,999,679.31 and 1,991,477.03 is: 2,748,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,918.82 : 4,999,679.31 = 1,991,477.03 : x
  2. Step 2: Convert to fraction form
    3,622,918.82/4,999,679.31 = 1,991,477.03/x
  3. Step 3: Cross multiply
    3,622,918.82x = 4,999,679.31 × 1,991,477.03
  4. Step 4: Simplify right side
    3,622,918.82x = 9,956,746,478,232.85
  5. Step 5: Solve for x
    x = 9,956,746,478,232.85/3,622,918.82
  6. Step 6: Final answer
    x = 2,748,266.52

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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.