Home / 6,694,709.40-9,241,068.42-3,978,423

Finding the Fourth Proportional to 6,694,709.40, 9,241,068.42 and 3,978,423

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Solution

The fourth proportional to 6,694,709.40, 9,241,068.42 and 3,978,423 is: 5,491,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694,709.40 : 9,241,068.42 = 3,978,423 : x
  2. Step 2: Convert to fraction form
    6,694,709.40/9,241,068.42 = 3,978,423/x
  3. Step 3: Cross multiply
    6,694,709.40x = 9,241,068.42 × 3,978,423
  4. Step 4: Simplify right side
    6,694,709.40x = 36,764,879,146,701.66
  5. Step 5: Solve for x
    x = 36,764,879,146,701.66/6,694,709.40
  6. Step 6: Final answer
    x = 5,491,631.82

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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.