Finding the Fourth Proportional to 6,476,792.40, 9,699,636.60 and 3,478,366.80
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Solution
The fourth proportional to 6,476,792.40, 9,699,636.60 and 3,478,366.80 is: 5,209,197.99
Step by Step Solution
- Step 1: Write the proportion equation
6,476,792.40 : 9,699,636.60 = 3,478,366.80 : x - Step 2: Convert to fraction form
6,476,792.40/9,699,636.60 = 3,478,366.80/x - Step 3: Cross multiply
6,476,792.40x = 9,699,636.60 × 3,478,366.80 - Step 4: Simplify right side
6,476,792.40x = 33,738,893,921,504.88 - Step 5: Solve for x
x = 33,738,893,921,504.88/6,476,792.40 - Step 6: Final answer
x = 5,209,197.99
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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.