Home / 2,106,611.44-3,160,244.76-686,336.56

Finding the Fourth Proportional to 2,106,611.44, 3,160,244.76 and 686,336.56

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Solution

The fourth proportional to 2,106,611.44, 3,160,244.76 and 686,336.56 is: 1,029,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,611.44 : 3,160,244.76 = 686,336.56 : x
  2. Step 2: Convert to fraction form
    2,106,611.44/3,160,244.76 = 686,336.56/x
  3. Step 3: Cross multiply
    2,106,611.44x = 3,160,244.76 × 686,336.56
  4. Step 4: Simplify right side
    2,106,611.44x = 2,168,991,517,336.43
  5. Step 5: Solve for x
    x = 2,168,991,517,336.43/2,106,611.44
  6. Step 6: Final answer
    x = 1,029,611.57

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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.