Home / 2,019,131.20-3,030,349.20-2,003,384.80

Finding the Fourth Proportional to 2,019,131.20, 3,030,349.20 and 2,003,384.80

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Solution

The fourth proportional to 2,019,131.20, 3,030,349.20 and 2,003,384.80 is: 3,006,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,131.20 : 3,030,349.20 = 2,003,384.80 : x
  2. Step 2: Convert to fraction form
    2,019,131.20/3,030,349.20 = 2,003,384.80/x
  3. Step 3: Cross multiply
    2,019,131.20x = 3,030,349.20 × 2,003,384.80
  4. Step 4: Simplify right side
    2,019,131.20x = 6,070,955,525,972.16
  5. Step 5: Solve for x
    x = 6,070,955,525,972.16/2,019,131.20
  6. Step 6: Final answer
    x = 3,006,716.71

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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.