Home / 2,297,445.72-3,170,422.54-1,438,479.60

Finding the Fourth Proportional to 2,297,445.72, 3,170,422.54 and 1,438,479.60

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Solution

The fourth proportional to 2,297,445.72, 3,170,422.54 and 1,438,479.60 is: 1,985,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297,445.72 : 3,170,422.54 = 1,438,479.60 : x
  2. Step 2: Convert to fraction form
    2,297,445.72/3,170,422.54 = 1,438,479.60/x
  3. Step 3: Cross multiply
    2,297,445.72x = 3,170,422.54 × 1,438,479.60
  4. Step 4: Simplify right side
    2,297,445.72x = 4,560,588,147,170.18
  5. Step 5: Solve for x
    x = 4,560,588,147,170.18/2,297,445.72
  6. Step 6: Final answer
    x = 1,985,068.94

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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.