Home / 6,518,721.20-9,787,680.44-3,645,716.90

Finding the Fourth Proportional to 6,518,721.20, 9,787,680.44 and 3,645,716.90

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Solution

The fourth proportional to 6,518,721.20, 9,787,680.44 and 3,645,716.90 is: 5,473,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,721.20 : 9,787,680.44 = 3,645,716.90 : x
  2. Step 2: Convert to fraction form
    6,518,721.20/9,787,680.44 = 3,645,716.90/x
  3. Step 3: Cross multiply
    6,518,721.20x = 9,787,680.44 × 3,645,716.90
  4. Step 4: Simplify right side
    6,518,721.20x = 35,683,111,991,907.43
  5. Step 5: Solve for x
    x = 35,683,111,991,907.43/6,518,721.20
  6. Step 6: Final answer
    x = 5,473,943.57

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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.