Home / 3,138,943.32-4,711,732.74-1,457,668.44

Finding the Fourth Proportional to 3,138,943.32, 4,711,732.74 and 1,457,668.44

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Solution

The fourth proportional to 3,138,943.32, 4,711,732.74 and 1,457,668.44 is: 2,188,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,943.32 : 4,711,732.74 = 1,457,668.44 : x
  2. Step 2: Convert to fraction form
    3,138,943.32/4,711,732.74 = 1,457,668.44/x
  3. Step 3: Cross multiply
    3,138,943.32x = 4,711,732.74 × 1,457,668.44
  4. Step 4: Simplify right side
    3,138,943.32x = 6,868,144,112,812.73
  5. Step 5: Solve for x
    x = 6,868,144,112,812.73/3,138,943.32
  6. Step 6: Final answer
    x = 2,188,043.37

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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.