Home / 5,912,975-8,159,916.57-3,196,721

Finding the Fourth Proportional to 5,912,975, 8,159,916.57 and 3,196,721

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Solution

The fourth proportional to 5,912,975, 8,159,916.57 and 3,196,721 is: 4,411,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,975 : 8,159,916.57 = 3,196,721 : x
  2. Step 2: Convert to fraction form
    5,912,975/8,159,916.57 = 3,196,721/x
  3. Step 3: Cross multiply
    5,912,975x = 8,159,916.57 × 3,196,721
  4. Step 4: Simplify right side
    5,912,975x = 26,084,976,657,566.97
  5. Step 5: Solve for x
    x = 26,084,976,657,566.97/5,912,975
  6. Step 6: Final answer
    x = 4,411,480.96

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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.