Home / 2,513,415.20-3,770,122.80-1,314,874.40

Finding the Fourth Proportional to 2,513,415.20, 3,770,122.80 and 1,314,874.40

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Solution

The fourth proportional to 2,513,415.20, 3,770,122.80 and 1,314,874.40 is: 1,972,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513,415.20 : 3,770,122.80 = 1,314,874.40 : x
  2. Step 2: Convert to fraction form
    2,513,415.20/3,770,122.80 = 1,314,874.40/x
  3. Step 3: Cross multiply
    2,513,415.20x = 3,770,122.80 × 1,314,874.40
  4. Step 4: Simplify right side
    2,513,415.20x = 4,957,237,954,576.32
  5. Step 5: Solve for x
    x = 4,957,237,954,576.32/2,513,415.20
  6. Step 6: Final answer
    x = 1,972,311.60

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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.