Home / 6,213,817-9,321,057.66-1,954,317.39

Finding the Fourth Proportional to 6,213,817, 9,321,057.66 and 1,954,317.39

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Solution

The fourth proportional to 6,213,817, 9,321,057.66 and 1,954,317.39 is: 2,931,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213,817 : 9,321,057.66 = 1,954,317.39 : x
  2. Step 2: Convert to fraction form
    6,213,817/9,321,057.66 = 1,954,317.39/x
  3. Step 3: Cross multiply
    6,213,817x = 9,321,057.66 × 1,954,317.39
  4. Step 4: Simplify right side
    6,213,817x = 18,216,305,078,130.71
  5. Step 5: Solve for x
    x = 18,216,305,078,130.71/6,213,817
  6. Step 6: Final answer
    x = 2,931,580.55

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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.