Home / 1,633,667.67-2,254,138.47-989,147.43

Finding the Fourth Proportional to 1,633,667.67, 2,254,138.47 and 989,147.43

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Solution

The fourth proportional to 1,633,667.67, 2,254,138.47 and 989,147.43 is: 1,364,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,667.67 : 2,254,138.47 = 989,147.43 : x
  2. Step 2: Convert to fraction form
    1,633,667.67/2,254,138.47 = 989,147.43/x
  3. Step 3: Cross multiply
    1,633,667.67x = 2,254,138.47 × 989,147.43
  4. Step 4: Simplify right side
    1,633,667.67x = 2,229,675,274,464.63
  5. Step 5: Solve for x
    x = 2,229,675,274,464.63/1,633,667.67
  6. Step 6: Final answer
    x = 1,364,827.94

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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.