Finding the Fourth Proportional to 5,554,176.26, 7,661,678.72 and 3,230,807.06
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Solution
The fourth proportional to 5,554,176.26, 7,661,678.72 and 3,230,807.06 is: 4,456,719.51
Step by Step Solution
- Step 1: Write the proportion equation
5,554,176.26 : 7,661,678.72 = 3,230,807.06 : x - Step 2: Convert to fraction form
5,554,176.26/7,661,678.72 = 3,230,807.06/x - Step 3: Cross multiply
5,554,176.26x = 7,661,678.72 × 3,230,807.06 - Step 4: Simplify right side
5,554,176.26x = 24,753,405,700,027.76 - Step 5: Solve for x
x = 24,753,405,700,027.76/5,554,176.26 - Step 6: Final answer
x = 4,456,719.51
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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.