Home / 2,889,892.63-3,986,539.81-1,786,971.43

Finding the Fourth Proportional to 2,889,892.63, 3,986,539.81 and 1,786,971.43

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Solution

The fourth proportional to 2,889,892.63, 3,986,539.81 and 1,786,971.43 is: 2,465,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,892.63 : 3,986,539.81 = 1,786,971.43 : x
  2. Step 2: Convert to fraction form
    2,889,892.63/3,986,539.81 = 1,786,971.43/x
  3. Step 3: Cross multiply
    2,889,892.63x = 3,986,539.81 × 1,786,971.43
  4. Step 4: Simplify right side
    2,889,892.63x = 7,123,832,745,027.63
  5. Step 5: Solve for x
    x = 7,123,832,745,027.63/2,889,892.63
  6. Step 6: Final answer
    x = 2,465,085.61

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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.