Home / 3,936,968.15-5,433,016.48-2,126,132.15

Finding the Fourth Proportional to 3,936,968.15, 5,433,016.48 and 2,126,132.15

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Solution

The fourth proportional to 3,936,968.15, 5,433,016.48 and 2,126,132.15 is: 2,934,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,968.15 : 5,433,016.48 = 2,126,132.15 : x
  2. Step 2: Convert to fraction form
    3,936,968.15/5,433,016.48 = 2,126,132.15/x
  3. Step 3: Cross multiply
    3,936,968.15x = 5,433,016.48 × 2,126,132.15
  4. Step 4: Simplify right side
    3,936,968.15x = 11,551,310,977,127.42
  5. Step 5: Solve for x
    x = 11,551,310,977,127.42/3,936,968.15
  6. Step 6: Final answer
    x = 2,934,062.60

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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.