Home / 3,005,392.32-4,147,432.80-1,647,261.12

Finding the Fourth Proportional to 3,005,392.32, 4,147,432.80 and 1,647,261.12

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Solution

The fourth proportional to 3,005,392.32, 4,147,432.80 and 1,647,261.12 is: 2,273,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,392.32 : 4,147,432.80 = 1,647,261.12 : x
  2. Step 2: Convert to fraction form
    3,005,392.32/4,147,432.80 = 1,647,261.12/x
  3. Step 3: Cross multiply
    3,005,392.32x = 4,147,432.80 × 1,647,261.12
  4. Step 4: Simplify right side
    3,005,392.32x = 6,831,904,799,252.74
  5. Step 5: Solve for x
    x = 6,831,904,799,252.74/3,005,392.32
  6. Step 6: Final answer
    x = 2,273,215.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.