Home / 5,318,933.28-7,978,399.95-1,329,845.28

Finding the Fourth Proportional to 5,318,933.28, 7,978,399.95 and 1,329,845.28

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Solution

The fourth proportional to 5,318,933.28, 7,978,399.95 and 1,329,845.28 is: 1,994,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,933.28 : 7,978,399.95 = 1,329,845.28 : x
  2. Step 2: Convert to fraction form
    5,318,933.28/7,978,399.95 = 1,329,845.28/x
  3. Step 3: Cross multiply
    5,318,933.28x = 7,978,399.95 × 1,329,845.28
  4. Step 4: Simplify right side
    5,318,933.28x = 10,610,037,515,459.74
  5. Step 5: Solve for x
    x = 10,610,037,515,459.74/5,318,933.28
  6. Step 6: Final answer
    x = 1,994,767.93

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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.