Home / 3,438,589.43-4,745,153.32-1,968,448.35

Finding the Fourth Proportional to 3,438,589.43, 4,745,153.32 and 1,968,448.35

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Solution

The fourth proportional to 3,438,589.43, 4,745,153.32 and 1,968,448.35 is: 2,716,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,589.43 : 4,745,153.32 = 1,968,448.35 : x
  2. Step 2: Convert to fraction form
    3,438,589.43/4,745,153.32 = 1,968,448.35/x
  3. Step 3: Cross multiply
    3,438,589.43x = 4,745,153.32 × 1,968,448.35
  4. Step 4: Simplify right side
    3,438,589.43x = 9,340,589,207,917.26
  5. Step 5: Solve for x
    x = 9,340,589,207,917.26/3,438,589.43
  6. Step 6: Final answer
    x = 2,716,401.42

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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.