Home / 2,661,415.40-3,992,706.30-1,314,223.40

Finding the Fourth Proportional to 2,661,415.40, 3,992,706.30 and 1,314,223.40

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Solution

The fourth proportional to 2,661,415.40, 3,992,706.30 and 1,314,223.40 is: 1,971,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,415.40 : 3,992,706.30 = 1,314,223.40 : x
  2. Step 2: Convert to fraction form
    2,661,415.40/3,992,706.30 = 1,314,223.40/x
  3. Step 3: Cross multiply
    2,661,415.40x = 3,992,706.30 × 1,314,223.40
  4. Step 4: Simplify right side
    2,661,415.40x = 5,247,308,048,787.42
  5. Step 5: Solve for x
    x = 5,247,308,048,787.42/2,661,415.40
  6. Step 6: Final answer
    x = 1,971,623.09

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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.