Home / 2,831,367.80-3,907,149.52-1,607,512.88

Finding the Fourth Proportional to 2,831,367.80, 3,907,149.52 and 1,607,512.88

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Solution

The fourth proportional to 2,831,367.80, 3,907,149.52 and 1,607,512.88 is: 2,218,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,367.80 : 3,907,149.52 = 1,607,512.88 : x
  2. Step 2: Convert to fraction form
    2,831,367.80/3,907,149.52 = 1,607,512.88/x
  3. Step 3: Cross multiply
    2,831,367.80x = 3,907,149.52 × 1,607,512.88
  4. Step 4: Simplify right side
    2,831,367.80x = 6,280,793,177,485.82
  5. Step 5: Solve for x
    x = 6,280,793,177,485.82/2,831,367.80
  6. Step 6: Final answer
    x = 2,218,289.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.