Finding the Fourth Proportional to 5,402,091.84, 7,455,125.56 and 3,110,990.64
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Solution
The fourth proportional to 5,402,091.84, 7,455,125.56 and 3,110,990.64 is: 4,293,304.62
Step by Step Solution
- Step 1: Write the proportion equation
5,402,091.84 : 7,455,125.56 = 3,110,990.64 : x - Step 2: Convert to fraction form
5,402,091.84/7,455,125.56 = 3,110,990.64/x - Step 3: Cross multiply
5,402,091.84x = 7,455,125.56 × 3,110,990.64 - Step 4: Simplify right side
5,402,091.84x = 23,192,825,857,968.41 - Step 5: Solve for x
x = 23,192,825,857,968.41/5,402,091.84 - Step 6: Final answer
x = 4,293,304.62
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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.