Home / 1,989,093.96-2,744,952.84-1,129,653.72

Finding the Fourth Proportional to 1,989,093.96, 2,744,952.84 and 1,129,653.72

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Solution

The fourth proportional to 1,989,093.96, 2,744,952.84 and 1,129,653.72 is: 1,558,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,093.96 : 2,744,952.84 = 1,129,653.72 : x
  2. Step 2: Convert to fraction form
    1,989,093.96/2,744,952.84 = 1,129,653.72/x
  3. Step 3: Cross multiply
    1,989,093.96x = 2,744,952.84 × 1,129,653.72
  4. Step 4: Simplify right side
    1,989,093.96x = 3,100,846,186,930.56
  5. Step 5: Solve for x
    x = 3,100,846,186,930.56/1,989,093.96
  6. Step 6: Final answer
    x = 1,558,923.94

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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.