Home / 1,892,880.38-2,839,326.65-472,936.61

Finding the Fourth Proportional to 1,892,880.38, 2,839,326.65 and 472,936.61

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Solution

The fourth proportional to 1,892,880.38, 2,839,326.65 and 472,936.61 is: 709,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,880.38 : 2,839,326.65 = 472,936.61 : x
  2. Step 2: Convert to fraction form
    1,892,880.38/2,839,326.65 = 472,936.61/x
  3. Step 3: Cross multiply
    1,892,880.38x = 2,839,326.65 × 472,936.61
  4. Step 4: Simplify right side
    1,892,880.38x = 1,342,821,503,972.34
  5. Step 5: Solve for x
    x = 1,342,821,503,972.34/1,892,880.38
  6. Step 6: Final answer
    x = 709,406.43

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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.