Home / 2,894,894.40-4,344,415.20-1,213,204.80

Finding the Fourth Proportional to 2,894,894.40, 4,344,415.20 and 1,213,204.80

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Solution

The fourth proportional to 2,894,894.40, 4,344,415.20 and 1,213,204.80 is: 1,820,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,894.40 : 4,344,415.20 = 1,213,204.80 : x
  2. Step 2: Convert to fraction form
    2,894,894.40/4,344,415.20 = 1,213,204.80/x
  3. Step 3: Cross multiply
    2,894,894.40x = 4,344,415.20 × 1,213,204.80
  4. Step 4: Simplify right side
    2,894,894.40x = 5,270,665,373,832.96
  5. Step 5: Solve for x
    x = 5,270,665,373,832.96/2,894,894.40
  6. Step 6: Final answer
    x = 1,820,676.21

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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.