Home / 5,390,213.20-8,085,319.80-3,477,025.60

Finding the Fourth Proportional to 5,390,213.20, 8,085,319.80 and 3,477,025.60

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Solution

The fourth proportional to 5,390,213.20, 8,085,319.80 and 3,477,025.60 is: 5,215,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,213.20 : 8,085,319.80 = 3,477,025.60 : x
  2. Step 2: Convert to fraction form
    5,390,213.20/8,085,319.80 = 3,477,025.60/x
  3. Step 3: Cross multiply
    5,390,213.20x = 8,085,319.80 × 3,477,025.60
  4. Step 4: Simplify right side
    5,390,213.20x = 28,112,863,928,786.88
  5. Step 5: Solve for x
    x = 28,112,863,928,786.88/5,390,213.20
  6. Step 6: Final answer
    x = 5,215,538.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.