Home / 2,107,247.08-3,160,878.82-509,807.60

Finding the Fourth Proportional to 2,107,247.08, 3,160,878.82 and 509,807.60

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Solution

The fourth proportional to 2,107,247.08, 3,160,878.82 and 509,807.60 is: 764,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,247.08 : 3,160,878.82 = 509,807.60 : x
  2. Step 2: Convert to fraction form
    2,107,247.08/3,160,878.82 = 509,807.60/x
  3. Step 3: Cross multiply
    2,107,247.08x = 3,160,878.82 × 509,807.60
  4. Step 4: Simplify right side
    2,107,247.08x = 1,611,440,045,115.03
  5. Step 5: Solve for x
    x = 1,611,440,045,115.03/2,107,247.08
  6. Step 6: Final answer
    x = 764,713.38

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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.