Home / 6,420,149.10-9,624,194.82-2,157,336.18

Finding the Fourth Proportional to 6,420,149.10, 9,624,194.82 and 2,157,336.18

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Solution

The fourth proportional to 6,420,149.10, 9,624,194.82 and 2,157,336.18 is: 3,233,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,149.10 : 9,624,194.82 = 2,157,336.18 : x
  2. Step 2: Convert to fraction form
    6,420,149.10/9,624,194.82 = 2,157,336.18/x
  3. Step 3: Cross multiply
    6,420,149.10x = 9,624,194.82 × 2,157,336.18
  4. Step 4: Simplify right side
    6,420,149.10x = 20,762,623,688,554.59
  5. Step 5: Solve for x
    x = 20,762,623,688,554.59/6,420,149.10
  6. Step 6: Final answer
    x = 3,233,978.43

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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.