Home / 3,991,913.15-5,987,783.27-1,113,203.15

Finding the Fourth Proportional to 3,991,913.15, 5,987,783.27 and 1,113,203.15

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Solution

The fourth proportional to 3,991,913.15, 5,987,783.27 and 1,113,203.15 is: 1,669,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,913.15 : 5,987,783.27 = 1,113,203.15 : x
  2. Step 2: Convert to fraction form
    3,991,913.15/5,987,783.27 = 1,113,203.15/x
  3. Step 3: Cross multiply
    3,991,913.15x = 5,987,783.27 × 1,113,203.15
  4. Step 4: Simplify right side
    3,991,913.15x = 6,665,619,215,433.77
  5. Step 5: Solve for x
    x = 6,665,619,215,433.77/3,991,913.15
  6. Step 6: Final answer
    x = 1,669,780.62

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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.