Finding the Fourth Proportional to 5,752,208.58, 7,938,213.99 and 3,174,055.38
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Solution
The fourth proportional to 5,752,208.58, 7,938,213.99 and 3,174,055.38 is: 4,380,288.11
Step by Step Solution
- Step 1: Write the proportion equation
5,752,208.58 : 7,938,213.99 = 3,174,055.38 : x - Step 2: Convert to fraction form
5,752,208.58/7,938,213.99 = 3,174,055.38/x - Step 3: Cross multiply
5,752,208.58x = 7,938,213.99 × 3,174,055.38 - Step 4: Simplify right side
5,752,208.58x = 25,196,330,822,550.77 - Step 5: Solve for x
x = 25,196,330,822,550.77/5,752,208.58 - Step 6: Final answer
x = 4,380,288.11
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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.