Home / 5,419,517.79-8,128,485.39-1,580,308.55

Finding the Fourth Proportional to 5,419,517.79, 8,128,485.39 and 1,580,308.55

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Solution

The fourth proportional to 5,419,517.79, 8,128,485.39 and 1,580,308.55 is: 2,370,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,517.79 : 8,128,485.39 = 1,580,308.55 : x
  2. Step 2: Convert to fraction form
    5,419,517.79/8,128,485.39 = 1,580,308.55/x
  3. Step 3: Cross multiply
    5,419,517.79x = 8,128,485.39 × 1,580,308.55
  4. Step 4: Simplify right side
    5,419,517.79x = 12,845,514,944,280.32
  5. Step 5: Solve for x
    x = 12,845,514,944,280.32/5,419,517.79
  6. Step 6: Final answer
    x = 2,370,232.08

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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.