Home / 2,964,771.72-4,447,157.58-720,890.28

Finding the Fourth Proportional to 2,964,771.72, 4,447,157.58 and 720,890.28

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Solution

The fourth proportional to 2,964,771.72, 4,447,157.58 and 720,890.28 is: 1,081,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964,771.72 : 4,447,157.58 = 720,890.28 : x
  2. Step 2: Convert to fraction form
    2,964,771.72/4,447,157.58 = 720,890.28/x
  3. Step 3: Cross multiply
    2,964,771.72x = 4,447,157.58 × 720,890.28
  4. Step 4: Simplify right side
    2,964,771.72x = 3,205,912,673,050.32
  5. Step 5: Solve for x
    x = 3,205,912,673,050.32/2,964,771.72
  6. Step 6: Final answer
    x = 1,081,335.42

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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.