Home / 3,640,893.09-5,462,228.81-1,212,041.64

Finding the Fourth Proportional to 3,640,893.09, 5,462,228.81 and 1,212,041.64

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Solution

The fourth proportional to 3,640,893.09, 5,462,228.81 and 1,212,041.64 is: 1,818,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,893.09 : 5,462,228.81 = 1,212,041.64 : x
  2. Step 2: Convert to fraction form
    3,640,893.09/5,462,228.81 = 1,212,041.64/x
  3. Step 3: Cross multiply
    3,640,893.09x = 5,462,228.81 × 1,212,041.64
  4. Step 4: Simplify right side
    3,640,893.09x = 6,620,448,758,867.44
  5. Step 5: Solve for x
    x = 6,620,448,758,867.44/3,640,893.09
  6. Step 6: Final answer
    x = 1,818,358.46

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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.