Home / 1,999,170.88-2,993,989.30-1,277,241.50

Finding the Fourth Proportional to 1,999,170.88, 2,993,989.30 and 1,277,241.50

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Solution

The fourth proportional to 1,999,170.88, 2,993,989.30 and 1,277,241.50 is: 1,912,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,170.88 : 2,993,989.30 = 1,277,241.50 : x
  2. Step 2: Convert to fraction form
    1,999,170.88/2,993,989.30 = 1,277,241.50/x
  3. Step 3: Cross multiply
    1,999,170.88x = 2,993,989.30 × 1,277,241.50
  4. Step 4: Simplify right side
    1,999,170.88x = 3,824,047,388,807.82
  5. Step 5: Solve for x
    x = 3,824,047,388,807.82/1,999,170.88
  6. Step 6: Final answer
    x = 1,912,816.67

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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.