Home / 5,318,917.56-7,978,376.28-1,329,829.56

Finding the Fourth Proportional to 5,318,917.56, 7,978,376.28 and 1,329,829.56

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Solution

The fourth proportional to 5,318,917.56, 7,978,376.28 and 1,329,829.56 is: 1,994,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,917.56 : 7,978,376.28 = 1,329,829.56 : x
  2. Step 2: Convert to fraction form
    5,318,917.56/7,978,376.28 = 1,329,829.56/x
  3. Step 3: Cross multiply
    5,318,917.56x = 7,978,376.28 × 1,329,829.56
  4. Step 4: Simplify right side
    5,318,917.56x = 10,609,880,617,946.84
  5. Step 5: Solve for x
    x = 10,609,880,617,946.84/5,318,917.56
  6. Step 6: Final answer
    x = 1,994,744.32

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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.