Home / 3,855,165.96-5,320,160.28-2,136,315.18

Finding the Fourth Proportional to 3,855,165.96, 5,320,160.28 and 2,136,315.18

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Solution

The fourth proportional to 3,855,165.96, 5,320,160.28 and 2,136,315.18 is: 2,948,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,165.96 : 5,320,160.28 = 2,136,315.18 : x
  2. Step 2: Convert to fraction form
    3,855,165.96/5,320,160.28 = 2,136,315.18/x
  3. Step 3: Cross multiply
    3,855,165.96x = 5,320,160.28 × 2,136,315.18
  4. Step 4: Simplify right side
    3,855,165.96x = 11,365,539,166,197.05
  5. Step 5: Solve for x
    x = 11,365,539,166,197.05/3,855,165.96
  6. Step 6: Final answer
    x = 2,948,132.27

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Double scale
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1.5x scale

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.