Home / 4,310,788-6,466,441.20-1,318,997.92

Finding the Fourth Proportional to 4,310,788, 6,466,441.20 and 1,318,997.92

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Solution

The fourth proportional to 4,310,788, 6,466,441.20 and 1,318,997.92 is: 1,978,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310,788 : 6,466,441.20 = 1,318,997.92 : x
  2. Step 2: Convert to fraction form
    4,310,788/6,466,441.20 = 1,318,997.92/x
  3. Step 3: Cross multiply
    4,310,788x = 6,466,441.20 × 1,318,997.92
  4. Step 4: Simplify right side
    4,310,788x = 8,529,222,492,602.30
  5. Step 5: Solve for x
    x = 8,529,222,492,602.30/4,310,788
  6. Step 6: Final answer
    x = 1,978,576.19

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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.