Home / 3,211,039.84-4,813,188.16-1,080,384.32

Finding the Fourth Proportional to 3,211,039.84, 4,813,188.16 and 1,080,384.32

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Solution

The fourth proportional to 3,211,039.84, 4,813,188.16 and 1,080,384.32 is: 1,619,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,039.84 : 4,813,188.16 = 1,080,384.32 : x
  2. Step 2: Convert to fraction form
    3,211,039.84/4,813,188.16 = 1,080,384.32/x
  3. Step 3: Cross multiply
    3,211,039.84x = 4,813,188.16 × 1,080,384.32
  4. Step 4: Simplify right side
    3,211,039.84x = 5,200,093,017,273.65
  5. Step 5: Solve for x
    x = 5,200,093,017,273.65/3,211,039.84
  6. Step 6: Final answer
    x = 1,619,442.07

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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.