Home / 3,831,587.28-5,287,627.08-2,112,769.44

Finding the Fourth Proportional to 3,831,587.28, 5,287,627.08 and 2,112,769.44

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Solution

The fourth proportional to 3,831,587.28, 5,287,627.08 and 2,112,769.44 is: 2,915,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,587.28 : 5,287,627.08 = 2,112,769.44 : x
  2. Step 2: Convert to fraction form
    3,831,587.28/5,287,627.08 = 2,112,769.44/x
  3. Step 3: Cross multiply
    3,831,587.28x = 5,287,627.08 × 2,112,769.44
  4. Step 4: Simplify right side
    3,831,587.28x = 11,171,536,904,740.44
  5. Step 5: Solve for x
    x = 11,171,536,904,740.44/3,831,587.28
  6. Step 6: Final answer
    x = 2,915,642.03

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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.