Home / 2,986,330.25-4,479,512.39-742,468.25

Finding the Fourth Proportional to 2,986,330.25, 4,479,512.39 and 742,468.25

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Solution

The fourth proportional to 2,986,330.25, 4,479,512.39 and 742,468.25 is: 1,113,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,330.25 : 4,479,512.39 = 742,468.25 : x
  2. Step 2: Convert to fraction form
    2,986,330.25/4,479,512.39 = 742,468.25/x
  3. Step 3: Cross multiply
    2,986,330.25x = 4,479,512.39 × 742,468.25
  4. Step 4: Simplify right side
    2,986,330.25x = 3,325,895,725,056.62
  5. Step 5: Solve for x
    x = 3,325,895,725,056.62/2,986,330.25
  6. Step 6: Final answer
    x = 1,113,706.61

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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.