Finding the Fourth Proportional to 4,394,938.84, 6,592,749.06 and 1,320,689.62
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Solution
The fourth proportional to 4,394,938.84, 6,592,749.06 and 1,320,689.62 is: 1,981,136.84
Step by Step Solution
- Step 1: Write the proportion equation
4,394,938.84 : 6,592,749.06 = 1,320,689.62 : x - Step 2: Convert to fraction form
4,394,938.84/6,592,749.06 = 1,320,689.62/x - Step 3: Cross multiply
4,394,938.84x = 6,592,749.06 × 1,320,689.62 - Step 4: Simplify right side
4,394,938.84x = 8,706,975,250,806.76 - Step 5: Solve for x
x = 8,706,975,250,806.76/4,394,938.84 - Step 6: Final answer
x = 1,981,136.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.