Finding the Fourth Proportional to 5,255,051.36, 7,252,186.02 and 3,320,606.12
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Solution
The fourth proportional to 5,255,051.36, 7,252,186.02 and 3,320,606.12 is: 4,582,572.39
Step by Step Solution
- Step 1: Write the proportion equation
5,255,051.36 : 7,252,186.02 = 3,320,606.12 : x - Step 2: Convert to fraction form
5,255,051.36/7,252,186.02 = 3,320,606.12/x - Step 3: Cross multiply
5,255,051.36x = 7,252,186.02 × 3,320,606.12 - Step 4: Simplify right side
5,255,051.36x = 24,081,653,281,390.44 - Step 5: Solve for x
x = 24,081,653,281,390.44/5,255,051.36 - Step 6: Final answer
x = 4,582,572.39
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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.