Home / 3,986,516.96-5,980,647.56-1,291,114.62

Finding the Fourth Proportional to 3,986,516.96, 5,980,647.56 and 1,291,114.62

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Solution

The fourth proportional to 3,986,516.96, 5,980,647.56 and 1,291,114.62 is: 1,936,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,516.96 : 5,980,647.56 = 1,291,114.62 : x
  2. Step 2: Convert to fraction form
    3,986,516.96/5,980,647.56 = 1,291,114.62/x
  3. Step 3: Cross multiply
    3,986,516.96x = 5,980,647.56 × 1,291,114.62
  4. Step 4: Simplify right side
    3,986,516.96x = 7,721,701,495,327.75
  5. Step 5: Solve for x
    x = 7,721,701,495,327.75/3,986,516.96
  6. Step 6: Final answer
    x = 1,936,954.38

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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.