Home / 6,321,329.09-8,723,457.09-3,420,719.64

Finding the Fourth Proportional to 6,321,329.09, 8,723,457.09 and 3,420,719.64

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Solution

The fourth proportional to 6,321,329.09, 8,723,457.09 and 3,420,719.64 is: 4,720,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,329.09 : 8,723,457.09 = 3,420,719.64 : x
  2. Step 2: Convert to fraction form
    6,321,329.09/8,723,457.09 = 3,420,719.64/x
  3. Step 3: Cross multiply
    6,321,329.09x = 8,723,457.09 × 3,420,719.64
  4. Step 4: Simplify right side
    6,321,329.09x = 29,840,500,996,460.25
  5. Step 5: Solve for x
    x = 29,840,500,996,460.25/6,321,329.09
  6. Step 6: Final answer
    x = 4,720,605.52

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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.