Home / 2,921,540.40-4,383,622.80-1,323,280.80

Finding the Fourth Proportional to 2,921,540.40, 4,383,622.80 and 1,323,280.80

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Solution

The fourth proportional to 2,921,540.40, 4,383,622.80 and 1,323,280.80 is: 1,985,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,540.40 : 4,383,622.80 = 1,323,280.80 : x
  2. Step 2: Convert to fraction form
    2,921,540.40/4,383,622.80 = 1,323,280.80/x
  3. Step 3: Cross multiply
    2,921,540.40x = 4,383,622.80 × 1,323,280.80
  4. Step 4: Simplify right side
    2,921,540.40x = 5,800,763,885,682.24
  5. Step 5: Solve for x
    x = 5,800,763,885,682.24/2,921,540.40
  6. Step 6: Final answer
    x = 1,985,515.55

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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.