Home / 6,436,655.70-9,661,204.35-3,245,385.30

Finding the Fourth Proportional to 6,436,655.70, 9,661,204.35 and 3,245,385.30

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Solution

The fourth proportional to 6,436,655.70, 9,661,204.35 and 3,245,385.30 is: 4,871,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,655.70 : 9,661,204.35 = 3,245,385.30 : x
  2. Step 2: Convert to fraction form
    6,436,655.70/9,661,204.35 = 3,245,385.30/x
  3. Step 3: Cross multiply
    6,436,655.70x = 9,661,204.35 × 3,245,385.30
  4. Step 4: Simplify right side
    6,436,655.70x = 31,354,330,577,786.05
  5. Step 5: Solve for x
    x = 31,354,330,577,786.05/6,436,655.70
  6. Step 6: Final answer
    x = 4,871,214.50

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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.