Home / 2,810,665.20-4,215,366.81-1,292,890.44

Finding the Fourth Proportional to 2,810,665.20, 4,215,366.81 and 1,292,890.44

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Solution

The fourth proportional to 2,810,665.20, 4,215,366.81 and 1,292,890.44 is: 1,939,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,665.20 : 4,215,366.81 = 1,292,890.44 : x
  2. Step 2: Convert to fraction form
    2,810,665.20/4,215,366.81 = 1,292,890.44/x
  3. Step 3: Cross multiply
    2,810,665.20x = 4,215,366.81 × 1,292,890.44
  4. Step 4: Simplify right side
    2,810,665.20x = 5,450,007,449,742.30
  5. Step 5: Solve for x
    x = 5,450,007,449,742.30/2,810,665.20
  6. Step 6: Final answer
    x = 1,939,045.41

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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.