Home / 5,912,974-8,159,915.19-3,196,720

Finding the Fourth Proportional to 5,912,974, 8,159,915.19 and 3,196,720

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Solution

The fourth proportional to 5,912,974, 8,159,915.19 and 3,196,720 is: 4,411,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,974 : 8,159,915.19 = 3,196,720 : x
  2. Step 2: Convert to fraction form
    5,912,974/8,159,915.19 = 3,196,720/x
  3. Step 3: Cross multiply
    5,912,974x = 8,159,915.19 × 3,196,720
  4. Step 4: Simplify right side
    5,912,974x = 26,084,964,086,176.80
  5. Step 5: Solve for x
    x = 26,084,964,086,176.80/5,912,974
  6. Step 6: Final answer
    x = 4,411,479.58

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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.