Home / 3,236,223.40-4,853,168.70-1,638,255.40

Finding the Fourth Proportional to 3,236,223.40, 4,853,168.70 and 1,638,255.40

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Solution

The fourth proportional to 3,236,223.40, 4,853,168.70 and 1,638,255.40 is: 2,456,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236,223.40 : 4,853,168.70 = 1,638,255.40 : x
  2. Step 2: Convert to fraction form
    3,236,223.40/4,853,168.70 = 1,638,255.40/x
  3. Step 3: Cross multiply
    3,236,223.40x = 4,853,168.70 × 1,638,255.40
  4. Step 4: Simplify right side
    3,236,223.40x = 7,950,729,829,885.98
  5. Step 5: Solve for x
    x = 7,950,729,829,885.98/3,236,223.40
  6. Step 6: Final answer
    x = 2,456,792.64

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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.