Home / 3,120,033.75-4,680,050.63-756,129.75

Finding the Fourth Proportional to 3,120,033.75, 4,680,050.63 and 756,129.75

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Solution

The fourth proportional to 3,120,033.75, 4,680,050.63 and 756,129.75 is: 1,134,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,033.75 : 4,680,050.63 = 756,129.75 : x
  2. Step 2: Convert to fraction form
    3,120,033.75/4,680,050.63 = 756,129.75/x
  3. Step 3: Cross multiply
    3,120,033.75x = 4,680,050.63 × 756,129.75
  4. Step 4: Simplify right side
    3,120,033.75x = 3,538,725,509,068.59
  5. Step 5: Solve for x
    x = 3,538,725,509,068.59/3,120,033.75
  6. Step 6: Final answer
    x = 1,134,194.63

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Similar ratio
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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.