Home / 2,936,344.32-4,401,542.40-1,989,811.20

Finding the Fourth Proportional to 2,936,344.32, 4,401,542.40 and 1,989,811.20

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Solution

The fourth proportional to 2,936,344.32, 4,401,542.40 and 1,989,811.20 is: 2,982,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936,344.32 : 4,401,542.40 = 1,989,811.20 : x
  2. Step 2: Convert to fraction form
    2,936,344.32/4,401,542.40 = 1,989,811.20/x
  3. Step 3: Cross multiply
    2,936,344.32x = 4,401,542.40 × 1,989,811.20
  4. Step 4: Simplify right side
    2,936,344.32x = 8,758,238,364,794.88
  5. Step 5: Solve for x
    x = 8,758,238,364,794.88/2,936,344.32
  6. Step 6: Final answer
    x = 2,982,701.42

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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.