Finding the Fourth Proportional to 5,790,763.28, 7,991,228.96 and 3,212,444.05
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Solution
The fourth proportional to 5,790,763.28, 7,991,228.96 and 3,212,444.05 is: 4,433,159.27
Step by Step Solution
- Step 1: Write the proportion equation
5,790,763.28 : 7,991,228.96 = 3,212,444.05 : x - Step 2: Convert to fraction form
5,790,763.28/7,991,228.96 = 3,212,444.05/x - Step 3: Cross multiply
5,790,763.28x = 7,991,228.96 × 3,212,444.05 - Step 4: Simplify right side
5,790,763.28x = 25,671,375,912,792.73 - Step 5: Solve for x
x = 25,671,375,912,792.73/5,790,763.28 - Step 6: Final answer
x = 4,433,159.27
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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.