Home / 2,673,172.05-4,009,758.08-780,104.85

Finding the Fourth Proportional to 2,673,172.05, 4,009,758.08 and 780,104.85

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Solution

The fourth proportional to 2,673,172.05, 4,009,758.08 and 780,104.85 is: 1,170,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,172.05 : 4,009,758.08 = 780,104.85 : x
  2. Step 2: Convert to fraction form
    2,673,172.05/4,009,758.08 = 780,104.85/x
  3. Step 3: Cross multiply
    2,673,172.05x = 4,009,758.08 × 780,104.85
  4. Step 4: Simplify right side
    2,673,172.05x = 3,128,031,721,634.16
  5. Step 5: Solve for x
    x = 3,128,031,721,634.16/2,673,172.05
  6. Step 6: Final answer
    x = 1,170,157.28

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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.