Home / 3,878,982.54-5,353,137.32-2,409,700.86

Finding the Fourth Proportional to 3,878,982.54, 5,353,137.32 and 2,409,700.86

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Solution

The fourth proportional to 3,878,982.54, 5,353,137.32 and 2,409,700.86 is: 3,325,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,982.54 : 5,353,137.32 = 2,409,700.86 : x
  2. Step 2: Convert to fraction form
    3,878,982.54/5,353,137.32 = 2,409,700.86/x
  3. Step 3: Cross multiply
    3,878,982.54x = 5,353,137.32 × 2,409,700.86
  4. Step 4: Simplify right side
    3,878,982.54x = 12,899,459,591,653.59
  5. Step 5: Solve for x
    x = 12,899,459,591,653.59/3,878,982.54
  6. Step 6: Final answer
    x = 3,325,475.03

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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.