Home / 6,643,984.20-9,977,786.10-4,848,894.60

Finding the Fourth Proportional to 6,643,984.20, 9,977,786.10 and 4,848,894.60

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Solution

The fourth proportional to 6,643,984.20, 9,977,786.10 and 4,848,894.60 is: 7,281,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,984.20 : 9,977,786.10 = 4,848,894.60 : x
  2. Step 2: Convert to fraction form
    6,643,984.20/9,977,786.10 = 4,848,894.60/x
  3. Step 3: Cross multiply
    6,643,984.20x = 9,977,786.10 × 4,848,894.60
  4. Step 4: Simplify right side
    6,643,984.20x = 48,381,233,140,245.05
  5. Step 5: Solve for x
    x = 48,381,233,140,245.05/6,643,984.20
  6. Step 6: Final answer
    x = 7,281,960.90

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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.