Home / 2,212,090.20-3,318,133.86-1,264,796.28

Finding the Fourth Proportional to 2,212,090.20, 3,318,133.86 and 1,264,796.28

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Solution

The fourth proportional to 2,212,090.20, 3,318,133.86 and 1,264,796.28 is: 1,897,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,090.20 : 3,318,133.86 = 1,264,796.28 : x
  2. Step 2: Convert to fraction form
    2,212,090.20/3,318,133.86 = 1,264,796.28/x
  3. Step 3: Cross multiply
    2,212,090.20x = 3,318,133.86 × 1,264,796.28
  4. Step 4: Simplify right side
    2,212,090.20x = 4,196,763,362,670.04
  5. Step 5: Solve for x
    x = 4,196,763,362,670.04/2,212,090.20
  6. Step 6: Final answer
    x = 1,897,193.60

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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.