Finding the Fourth Proportional to 5,066,957.42, 6,992,901.53 and 2,891,825.54
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Solution
The fourth proportional to 5,066,957.42, 6,992,901.53 and 2,891,825.54 is: 3,991,004.77
Step by Step Solution
- Step 1: Write the proportion equation
5,066,957.42 : 6,992,901.53 = 2,891,825.54 : x - Step 2: Convert to fraction form
5,066,957.42/6,992,901.53 = 2,891,825.54/x - Step 3: Cross multiply
5,066,957.42x = 6,992,901.53 × 2,891,825.54 - Step 4: Simplify right side
5,066,957.42x = 20,222,251,243,159.08 - Step 5: Solve for x
x = 20,222,251,243,159.08/5,066,957.42 - Step 6: Final answer
x = 3,991,004.77
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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.