Home / 3,840,408.61-5,299,924.89-2,208,816.43

Finding the Fourth Proportional to 3,840,408.61, 5,299,924.89 and 2,208,816.43

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Solution

The fourth proportional to 3,840,408.61, 5,299,924.89 and 2,208,816.43 is: 3,048,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,408.61 : 5,299,924.89 = 2,208,816.43 : x
  2. Step 2: Convert to fraction form
    3,840,408.61/5,299,924.89 = 2,208,816.43/x
  3. Step 3: Cross multiply
    3,840,408.61x = 5,299,924.89 × 2,208,816.43
  4. Step 4: Simplify right side
    3,840,408.61x = 11,706,561,174,797.94
  5. Step 5: Solve for x
    x = 11,706,561,174,797.94/3,840,408.61
  6. Step 6: Final answer
    x = 3,048,259.28

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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.