Home / 3,111,019.52-4,683,336.32-2,798,182.88

Finding the Fourth Proportional to 3,111,019.52, 4,683,336.32 and 2,798,182.88

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Solution

The fourth proportional to 3,111,019.52, 4,683,336.32 and 2,798,182.88 is: 4,212,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,019.52 : 4,683,336.32 = 2,798,182.88 : x
  2. Step 2: Convert to fraction form
    3,111,019.52/4,683,336.32 = 2,798,182.88/x
  3. Step 3: Cross multiply
    3,111,019.52x = 4,683,336.32 × 2,798,182.88
  4. Step 4: Simplify right side
    3,111,019.52x = 13,104,831,511,906.20
  5. Step 5: Solve for x
    x = 13,104,831,511,906.20/3,111,019.52
  6. Step 6: Final answer
    x = 4,212,391.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.