Finding the Fourth Proportional to 4,919,166.17, 6,788,458.62 and 2,743,850.21
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Solution
The fourth proportional to 4,919,166.17, 6,788,458.62 and 2,743,850.21 is: 3,786,518.48
Step by Step Solution
- Step 1: Write the proportion equation
4,919,166.17 : 6,788,458.62 = 2,743,850.21 : x - Step 2: Convert to fraction form
4,919,166.17/6,788,458.62 = 2,743,850.21/x - Step 3: Cross multiply
4,919,166.17x = 6,788,458.62 × 2,743,850.21 - Step 4: Simplify right side
4,919,166.17x = 18,626,513,610,063.31 - Step 5: Solve for x
x = 18,626,513,610,063.31/4,919,166.17 - Step 6: Final answer
x = 3,786,518.48
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1.5x scale
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.