Home / 3,517,915.11-4,854,740.84-1,989,989.43

Finding the Fourth Proportional to 3,517,915.11, 4,854,740.84 and 1,989,989.43

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Solution

The fourth proportional to 3,517,915.11, 4,854,740.84 and 1,989,989.43 is: 2,746,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517,915.11 : 4,854,740.84 = 1,989,989.43 : x
  2. Step 2: Convert to fraction form
    3,517,915.11/4,854,740.84 = 1,989,989.43/x
  3. Step 3: Cross multiply
    3,517,915.11x = 4,854,740.84 × 1,989,989.43
  4. Step 4: Simplify right side
    3,517,915.11x = 9,660,882,956,989.32
  5. Step 5: Solve for x
    x = 9,660,882,956,989.32/3,517,915.11
  6. Step 6: Final answer
    x = 2,746,195.59

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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.