Finding the Fourth Proportional to 3,606,634.86, 4,977,158.63 and 1,975,042.68
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Solution
The fourth proportional to 3,606,634.86, 4,977,158.63 and 1,975,042.68 is: 2,725,560.28
Step by Step Solution
- Step 1: Write the proportion equation
3,606,634.86 : 4,977,158.63 = 1,975,042.68 : x - Step 2: Convert to fraction form
3,606,634.86/4,977,158.63 = 1,975,042.68/x - Step 3: Cross multiply
3,606,634.86x = 4,977,158.63 × 1,975,042.68 - Step 4: Simplify right side
3,606,634.86x = 9,830,100,709,505.12 - Step 5: Solve for x
x = 9,830,100,709,505.12/3,606,634.86 - Step 6: Final answer
x = 2,725,560.28
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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.