Home / 2,991,709.36-4,485,989.40-2,045,350.72

Finding the Fourth Proportional to 2,991,709.36, 4,485,989.40 and 2,045,350.72

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Solution

The fourth proportional to 2,991,709.36, 4,485,989.40 and 2,045,350.72 is: 3,066,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,709.36 : 4,485,989.40 = 2,045,350.72 : x
  2. Step 2: Convert to fraction form
    2,991,709.36/4,485,989.40 = 2,045,350.72/x
  3. Step 3: Cross multiply
    2,991,709.36x = 4,485,989.40 × 2,045,350.72
  4. Step 4: Simplify right side
    2,991,709.36x = 9,175,421,649,202.37
  5. Step 5: Solve for x
    x = 9,175,421,649,202.37/2,991,709.36
  6. Step 6: Final answer
    x = 3,066,949.54

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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.