Home / 1,989,124.88-2,745,321.54-1,173,527.96

Finding the Fourth Proportional to 1,989,124.88, 2,745,321.54 and 1,173,527.96

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Solution

The fourth proportional to 1,989,124.88, 2,745,321.54 and 1,173,527.96 is: 1,619,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,124.88 : 2,745,321.54 = 1,173,527.96 : x
  2. Step 2: Convert to fraction form
    1,989,124.88/2,745,321.54 = 1,173,527.96/x
  3. Step 3: Cross multiply
    1,989,124.88x = 2,745,321.54 × 1,173,527.96
  4. Step 4: Simplify right side
    1,989,124.88x = 3,221,711,586,380.26
  5. Step 5: Solve for x
    x = 3,221,711,586,380.26/1,989,124.88
  6. Step 6: Final answer
    x = 1,619,662.81

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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.