Finding the Fourth Proportional to 3,686,545.25, 5,085,349.09 and 2,307,494.82
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Solution
The fourth proportional to 3,686,545.25, 5,085,349.09 and 2,307,494.82 is: 3,183,038.82
Step by Step Solution
- Step 1: Write the proportion equation
3,686,545.25 : 5,085,349.09 = 2,307,494.82 : x - Step 2: Convert to fraction form
3,686,545.25/5,085,349.09 = 2,307,494.82/x - Step 3: Cross multiply
3,686,545.25x = 5,085,349.09 × 2,307,494.82 - Step 4: Simplify right side
3,686,545.25x = 11,734,416,653,460.40 - Step 5: Solve for x
x = 11,734,416,653,460.40/3,686,545.25 - Step 6: Final answer
x = 3,183,038.82
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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.