Home / 2,906,028.60-4,357,487.70-1,221,228.60

Finding the Fourth Proportional to 2,906,028.60, 4,357,487.70 and 1,221,228.60

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Solution

The fourth proportional to 2,906,028.60, 4,357,487.70 and 1,221,228.60 is: 1,831,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906,028.60 : 4,357,487.70 = 1,221,228.60 : x
  2. Step 2: Convert to fraction form
    2,906,028.60/4,357,487.70 = 1,221,228.60/x
  3. Step 3: Cross multiply
    2,906,028.60x = 4,357,487.70 × 1,221,228.60
  4. Step 4: Simplify right side
    2,906,028.60x = 5,321,488,603,388.22
  5. Step 5: Solve for x
    x = 5,321,488,603,388.22/2,906,028.60
  6. Step 6: Final answer
    x = 1,831,189.34

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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.