Home / 2,660,421.60-3,991,222.08-767,015.28

Finding the Fourth Proportional to 2,660,421.60, 3,991,222.08 and 767,015.28

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Solution

The fourth proportional to 2,660,421.60, 3,991,222.08 and 767,015.28 is: 1,150,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,421.60 : 3,991,222.08 = 767,015.28 : x
  2. Step 2: Convert to fraction form
    2,660,421.60/3,991,222.08 = 767,015.28/x
  3. Step 3: Cross multiply
    2,660,421.60x = 3,991,222.08 × 767,015.28
  4. Step 4: Simplify right side
    2,660,421.60x = 3,061,328,321,233.38
  5. Step 5: Solve for x
    x = 3,061,328,321,233.38/2,660,421.60
  6. Step 6: Final answer
    x = 1,150,692.93

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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.