Finding the Fourth Proportional to 5,291,157.24, 7,302,046.86 and 2,999,362.68
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Solution
The fourth proportional to 5,291,157.24, 7,302,046.86 and 2,999,362.68 is: 4,139,262.14
Step by Step Solution
- Step 1: Write the proportion equation
5,291,157.24 : 7,302,046.86 = 2,999,362.68 : x - Step 2: Convert to fraction form
5,291,157.24/7,302,046.86 = 2,999,362.68/x - Step 3: Cross multiply
5,291,157.24x = 7,302,046.86 × 2,999,362.68 - Step 4: Simplify right side
5,291,157.24x = 21,901,486,839,495.19 - Step 5: Solve for x
x = 21,901,486,839,495.19/5,291,157.24 - Step 6: Final answer
x = 4,139,262.14
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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.