Home / 3,129,245.79-4,317,618.87-1,771,118.79

Finding the Fourth Proportional to 3,129,245.79, 4,317,618.87 and 1,771,118.79

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Solution

The fourth proportional to 3,129,245.79, 4,317,618.87 and 1,771,118.79 is: 2,443,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,245.79 : 4,317,618.87 = 1,771,118.79 : x
  2. Step 2: Convert to fraction form
    3,129,245.79/4,317,618.87 = 1,771,118.79/x
  3. Step 3: Cross multiply
    3,129,245.79x = 4,317,618.87 × 1,771,118.79
  4. Step 4: Simplify right side
    3,129,245.79x = 7,647,015,908,715.57
  5. Step 5: Solve for x
    x = 7,647,015,908,715.57/3,129,245.79
  6. Step 6: Final answer
    x = 2,443,724.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.