Finding the Fourth Proportional to 3,674,579.43, 5,511,512.75 and 1,115,816.52
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Solution
The fourth proportional to 3,674,579.43, 5,511,512.75 and 1,115,816.52 is: 1,673,616.55
Step by Step Solution
- Step 1: Write the proportion equation
3,674,579.43 : 5,511,512.75 = 1,115,816.52 : x - Step 2: Convert to fraction form
3,674,579.43/5,511,512.75 = 1,115,816.52/x - Step 3: Cross multiply
3,674,579.43x = 5,511,512.75 × 1,115,816.52 - Step 4: Simplify right side
3,674,579.43x = 6,149,836,946,293.53 - Step 5: Solve for x
x = 6,149,836,946,293.53/3,674,579.43 - Step 6: Final answer
x = 1,673,616.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.