Home / 3,120,443.20-4,680,664.80-1,440,827.20

Finding the Fourth Proportional to 3,120,443.20, 4,680,664.80 and 1,440,827.20

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Solution

The fourth proportional to 3,120,443.20, 4,680,664.80 and 1,440,827.20 is: 2,161,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,443.20 : 4,680,664.80 = 1,440,827.20 : x
  2. Step 2: Convert to fraction form
    3,120,443.20/4,680,664.80 = 1,440,827.20/x
  3. Step 3: Cross multiply
    3,120,443.20x = 4,680,664.80 × 1,440,827.20
  4. Step 4: Simplify right side
    3,120,443.20x = 6,744,029,157,922.56
  5. Step 5: Solve for x
    x = 6,744,029,157,922.56/3,120,443.20
  6. Step 6: Final answer
    x = 2,161,240.80

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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.