Home / 3,143,567.91-4,717,181.57-1,321,801.02

Finding the Fourth Proportional to 3,143,567.91, 4,717,181.57 and 1,321,801.02

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Solution

The fourth proportional to 3,143,567.91, 4,717,181.57 and 1,321,801.02 is: 1,983,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,567.91 : 4,717,181.57 = 1,321,801.02 : x
  2. Step 2: Convert to fraction form
    3,143,567.91/4,717,181.57 = 1,321,801.02/x
  3. Step 3: Cross multiply
    3,143,567.91x = 4,717,181.57 × 1,321,801.02
  4. Step 4: Simplify right side
    3,143,567.91x = 6,235,175,404,142.20
  5. Step 5: Solve for x
    x = 6,235,175,404,142.20/3,143,567.91
  6. Step 6: Final answer
    x = 1,983,470.88

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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.