Home / 5,459,186.87-8,188,485.05-1,672,680.68

Finding the Fourth Proportional to 5,459,186.87, 8,188,485.05 and 1,672,680.68

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Solution

The fourth proportional to 5,459,186.87, 8,188,485.05 and 1,672,680.68 is: 2,508,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,186.87 : 8,188,485.05 = 1,672,680.68 : x
  2. Step 2: Convert to fraction form
    5,459,186.87/8,188,485.05 = 1,672,680.68/x
  3. Step 3: Cross multiply
    5,459,186.87x = 8,188,485.05 × 1,672,680.68
  4. Step 4: Simplify right side
    5,459,186.87x = 13,696,720,692,298.01
  5. Step 5: Solve for x
    x = 13,696,720,692,298.01/5,459,186.87
  6. Step 6: Final answer
    x = 2,508,930.55

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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.