Home / 6,321,493.64-8,723,661-3,420,884.48

Finding the Fourth Proportional to 6,321,493.64, 8,723,661 and 3,420,884.48

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Solution

The fourth proportional to 6,321,493.64, 8,723,661 and 3,420,884.48 is: 4,720,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,493.64 : 8,723,661 = 3,420,884.48 : x
  2. Step 2: Convert to fraction form
    6,321,493.64/8,723,661 = 3,420,884.48/x
  3. Step 3: Cross multiply
    6,321,493.64x = 8,723,661 × 3,420,884.48
  4. Step 4: Simplify right side
    6,321,493.64x = 29,842,636,523,681.28
  5. Step 5: Solve for x
    x = 29,842,636,523,681.28/6,321,493.64
  6. Step 6: Final answer
    x = 4,720,820.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.