Home / 5,512,713.60-8,265,683.52-2,142,992.64

Finding the Fourth Proportional to 5,512,713.60, 8,265,683.52 and 2,142,992.64

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Solution

The fourth proportional to 5,512,713.60, 8,265,683.52 and 2,142,992.64 is: 3,213,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512,713.60 : 8,265,683.52 = 2,142,992.64 : x
  2. Step 2: Convert to fraction form
    5,512,713.60/8,265,683.52 = 2,142,992.64/x
  3. Step 3: Cross multiply
    5,512,713.60x = 8,265,683.52 × 2,142,992.64
  4. Step 4: Simplify right side
    5,512,713.60x = 17,713,298,947,929.29
  5. Step 5: Solve for x
    x = 17,713,298,947,929.29/5,512,713.60
  6. Step 6: Final answer
    x = 3,213,172.36

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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.