Home / 5,429,292.73-8,142,130.62-2,189,993.78

Finding the Fourth Proportional to 5,429,292.73, 8,142,130.62 and 2,189,993.78

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Solution

The fourth proportional to 5,429,292.73, 8,142,130.62 and 2,189,993.78 is: 3,284,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,292.73 : 8,142,130.62 = 2,189,993.78 : x
  2. Step 2: Convert to fraction form
    5,429,292.73/8,142,130.62 = 2,189,993.78/x
  3. Step 3: Cross multiply
    5,429,292.73x = 8,142,130.62 × 2,189,993.78
  4. Step 4: Simplify right side
    5,429,292.73x = 17,831,215,434,102.87
  5. Step 5: Solve for x
    x = 17,831,215,434,102.87/5,429,292.73
  6. Step 6: Final answer
    x = 3,284,261.20

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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.