Home / 1,667,536.21-2,300,945.49-942,119.25

Finding the Fourth Proportional to 1,667,536.21, 2,300,945.49 and 942,119.25

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Solution

The fourth proportional to 1,667,536.21, 2,300,945.49 and 942,119.25 is: 1,299,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,536.21 : 2,300,945.49 = 942,119.25 : x
  2. Step 2: Convert to fraction form
    1,667,536.21/2,300,945.49 = 942,119.25/x
  3. Step 3: Cross multiply
    1,667,536.21x = 2,300,945.49 × 942,119.25
  4. Step 4: Simplify right side
    1,667,536.21x = 2,167,765,030,701.14
  5. Step 5: Solve for x
    x = 2,167,765,030,701.14/1,667,536.21
  6. Step 6: Final answer
    x = 1,299,980.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.