Home / 3,886,397.20-5,827,846.20-1,489,445.20

Finding the Fourth Proportional to 3,886,397.20, 5,827,846.20 and 1,489,445.20

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Solution

The fourth proportional to 3,886,397.20, 5,827,846.20 and 1,489,445.20 is: 2,233,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,397.20 : 5,827,846.20 = 1,489,445.20 : x
  2. Step 2: Convert to fraction form
    3,886,397.20/5,827,846.20 = 1,489,445.20/x
  3. Step 3: Cross multiply
    3,886,397.20x = 5,827,846.20 × 1,489,445.20
  4. Step 4: Simplify right side
    3,886,397.20x = 8,680,257,548,928.24
  5. Step 5: Solve for x
    x = 8,680,257,548,928.24/3,886,397.20
  6. Step 6: Final answer
    x = 2,233,497.27

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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.