Home / 3,855,156.34-5,320,147-2,136,305.56

Finding the Fourth Proportional to 3,855,156.34, 5,320,147 and 2,136,305.56

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Solution

The fourth proportional to 3,855,156.34, 5,320,147 and 2,136,305.56 is: 2,948,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,156.34 : 5,320,147 = 2,136,305.56 : x
  2. Step 2: Convert to fraction form
    3,855,156.34/5,320,147 = 2,136,305.56/x
  3. Step 3: Cross multiply
    3,855,156.34x = 5,320,147 × 2,136,305.56
  4. Step 4: Simplify right side
    3,855,156.34x = 11,365,459,616,117.32
  5. Step 5: Solve for x
    x = 11,365,459,616,117.32/3,855,156.34
  6. Step 6: Final answer
    x = 2,948,118.99

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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.