Home / 6,538,522.05-9,808,151.98-1,989,719.09

Finding the Fourth Proportional to 6,538,522.05, 9,808,151.98 and 1,989,719.09

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Solution

The fourth proportional to 6,538,522.05, 9,808,151.98 and 1,989,719.09 is: 2,984,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538,522.05 : 9,808,151.98 = 1,989,719.09 : x
  2. Step 2: Convert to fraction form
    6,538,522.05/9,808,151.98 = 1,989,719.09/x
  3. Step 3: Cross multiply
    6,538,522.05x = 9,808,151.98 × 1,989,719.09
  4. Step 4: Simplify right side
    6,538,522.05x = 19,515,467,232,227.30
  5. Step 5: Solve for x
    x = 19,515,467,232,227.30/6,538,522.05
  6. Step 6: Final answer
    x = 2,984,690.90

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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.