Home / 2,019,408.40-3,025,426.20-1,230,518.80

Finding the Fourth Proportional to 2,019,408.40, 3,025,426.20 and 1,230,518.80

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Solution

The fourth proportional to 2,019,408.40, 3,025,426.20 and 1,230,518.80 is: 1,843,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,408.40 : 3,025,426.20 = 1,230,518.80 : x
  2. Step 2: Convert to fraction form
    2,019,408.40/3,025,426.20 = 1,230,518.80/x
  3. Step 3: Cross multiply
    2,019,408.40x = 3,025,426.20 × 1,230,518.80
  4. Step 4: Simplify right side
    2,019,408.40x = 3,722,843,817,112.56
  5. Step 5: Solve for x
    x = 3,722,843,817,112.56/2,019,408.40
  6. Step 6: Final answer
    x = 1,843,531.91

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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.