Home / 3,840,401.60-5,299,915.21-2,208,809.42

Finding the Fourth Proportional to 3,840,401.60, 5,299,915.21 and 2,208,809.42

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Solution

The fourth proportional to 3,840,401.60, 5,299,915.21 and 2,208,809.42 is: 3,048,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,401.60 : 5,299,915.21 = 2,208,809.42 : x
  2. Step 2: Convert to fraction form
    3,840,401.60/5,299,915.21 = 2,208,809.42/x
  3. Step 3: Cross multiply
    3,840,401.60x = 5,299,915.21 × 2,208,809.42
  4. Step 4: Simplify right side
    3,840,401.60x = 11,706,502,614,549.70
  5. Step 5: Solve for x
    x = 11,706,502,614,549.70/3,840,401.60
  6. Step 6: Final answer
    x = 3,048,249.60

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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.