Home / 5,419,284.79-8,129,255.54-2,180,810.04

Finding the Fourth Proportional to 5,419,284.79, 8,129,255.54 and 2,180,810.04

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Solution

The fourth proportional to 5,419,284.79, 8,129,255.54 and 2,180,810.04 is: 3,271,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,284.79 : 8,129,255.54 = 2,180,810.04 : x
  2. Step 2: Convert to fraction form
    5,419,284.79/8,129,255.54 = 2,180,810.04/x
  3. Step 3: Cross multiply
    5,419,284.79x = 8,129,255.54 × 2,180,810.04
  4. Step 4: Simplify right side
    5,419,284.79x = 17,728,362,099,357.62
  5. Step 5: Solve for x
    x = 17,728,362,099,357.62/5,419,284.79
  6. Step 6: Final answer
    x = 3,271,347.20

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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.