Finding the Fourth Proportional to 2,518,513.70, 3,475,382.63 and 1,416,114.99
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Solution
The fourth proportional to 2,518,513.70, 3,475,382.63 and 1,416,114.99 is: 1,954,145.19
Step by Step Solution
- Step 1: Write the proportion equation
2,518,513.70 : 3,475,382.63 = 1,416,114.99 : x - Step 2: Convert to fraction form
2,518,513.70/3,475,382.63 = 1,416,114.99/x - Step 3: Cross multiply
2,518,513.70x = 3,475,382.63 × 1,416,114.99 - Step 4: Simplify right side
2,518,513.70x = 4,921,541,431,248.05 - Step 5: Solve for x
x = 4,921,541,431,248.05/2,518,513.70 - Step 6: Final answer
x = 1,954,145.19
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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.