Home / 2,810,662.45-4,215,362.68-1,292,887.69

Finding the Fourth Proportional to 2,810,662.45, 4,215,362.68 and 1,292,887.69

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Solution

The fourth proportional to 2,810,662.45, 4,215,362.68 and 1,292,887.69 is: 1,939,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,662.45 : 4,215,362.68 = 1,292,887.69 : x
  2. Step 2: Convert to fraction form
    2,810,662.45/4,215,362.68 = 1,292,887.69/x
  3. Step 3: Cross multiply
    2,810,662.45x = 4,215,362.68 × 1,292,887.69
  4. Step 4: Simplify right side
    2,810,662.45x = 5,449,990,517,857.41
  5. Step 5: Solve for x
    x = 5,449,990,517,857.41/2,810,662.45
  6. Step 6: Final answer
    x = 1,939,041.28

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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.