Finding the Fourth Proportional to 5,676,080.77, 7,830,267.14 and 3,715,095.49
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Solution
The fourth proportional to 5,676,080.77, 7,830,267.14 and 3,715,095.49 is: 5,125,048.66
Step by Step Solution
- Step 1: Write the proportion equation
5,676,080.77 : 7,830,267.14 = 3,715,095.49 : x - Step 2: Convert to fraction form
5,676,080.77/7,830,267.14 = 3,715,095.49/x - Step 3: Cross multiply
5,676,080.77x = 7,830,267.14 × 3,715,095.49 - Step 4: Simplify right side
5,676,080.77x = 29,090,190,127,021.27 - Step 5: Solve for x
x = 29,090,190,127,021.27/5,676,080.77 - Step 6: Final answer
x = 5,125,048.66
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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.