Home / 2,114,236.89-3,171,327.80-516,814.02

Finding the Fourth Proportional to 2,114,236.89, 3,171,327.80 and 516,814.02

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Solution

The fourth proportional to 2,114,236.89, 3,171,327.80 and 516,814.02 is: 775,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,236.89 : 3,171,327.80 = 516,814.02 : x
  2. Step 2: Convert to fraction form
    2,114,236.89/3,171,327.80 = 516,814.02/x
  3. Step 3: Cross multiply
    2,114,236.89x = 3,171,327.80 × 516,814.02
  4. Step 4: Simplify right side
    2,114,236.89x = 1,638,986,666,471.69
  5. Step 5: Solve for x
    x = 1,638,986,666,471.69/2,114,236.89
  6. Step 6: Final answer
    x = 775,214.30

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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.