Home / 6,439,231.20-9,658,846.80-4,171,749.60

Finding the Fourth Proportional to 6,439,231.20, 9,658,846.80 and 4,171,749.60

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Solution

The fourth proportional to 6,439,231.20, 9,658,846.80 and 4,171,749.60 is: 6,257,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,231.20 : 9,658,846.80 = 4,171,749.60 : x
  2. Step 2: Convert to fraction form
    6,439,231.20/9,658,846.80 = 4,171,749.60/x
  3. Step 3: Cross multiply
    6,439,231.20x = 9,658,846.80 × 4,171,749.60
  4. Step 4: Simplify right side
    6,439,231.20x = 40,294,290,274,361.28
  5. Step 5: Solve for x
    x = 40,294,290,274,361.28/6,439,231.20
  6. Step 6: Final answer
    x = 6,257,624.40

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1.5x scale

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.