Home / 3,939,274.16-5,436,616.32-2,309,051.21

Finding the Fourth Proportional to 3,939,274.16, 5,436,616.32 and 2,309,051.21

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Solution

The fourth proportional to 3,939,274.16, 5,436,616.32 and 2,309,051.21 is: 3,186,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,274.16 : 5,436,616.32 = 2,309,051.21 : x
  2. Step 2: Convert to fraction form
    3,939,274.16/5,436,616.32 = 2,309,051.21/x
  3. Step 3: Cross multiply
    3,939,274.16x = 5,436,616.32 × 2,309,051.21
  4. Step 4: Simplify right side
    3,939,274.16x = 12,553,425,480,456.49
  5. Step 5: Solve for x
    x = 12,553,425,480,456.49/3,939,274.16
  6. Step 6: Final answer
    x = 3,186,735.67

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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.