Finding the Fourth Proportional to 5,344,388.16, 8,016,584.97 and 1,300,876.66
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Solution
The fourth proportional to 5,344,388.16, 8,016,584.97 and 1,300,876.66 is: 1,951,315.65
Step by Step Solution
- Step 1: Write the proportion equation
5,344,388.16 : 8,016,584.97 = 1,300,876.66 : x - Step 2: Convert to fraction form
5,344,388.16/8,016,584.97 = 1,300,876.66/x - Step 3: Cross multiply
5,344,388.16x = 8,016,584.97 × 1,300,876.66 - Step 4: Simplify right side
5,344,388.16x = 10,428,588,280,379.80 - Step 5: Solve for x
x = 10,428,588,280,379.80/5,344,388.16 - Step 6: Final answer
x = 1,951,315.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.