Finding the Fourth Proportional to 5,198,569.95, 7,173,545.09 and 2,875,412.47
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Solution
The fourth proportional to 5,198,569.95, 7,173,545.09 and 2,875,412.47 is: 3,967,802.92
Step by Step Solution
- Step 1: Write the proportion equation
5,198,569.95 : 7,173,545.09 = 2,875,412.47 : x - Step 2: Convert to fraction form
5,198,569.95/7,173,545.09 = 2,875,412.47/x - Step 3: Cross multiply
5,198,569.95x = 7,173,545.09 × 2,875,412.47 - Step 4: Simplify right side
5,198,569.95x = 20,626,901,005,893.27 - Step 5: Solve for x
x = 20,626,901,005,893.27/5,198,569.95 - Step 6: Final answer
x = 3,967,802.92
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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.