Finding the Fourth Proportional to 7,143,582.62, 10,715,218.97 and 1,752,259.47
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Solution
The fourth proportional to 7,143,582.62, 10,715,218.97 and 1,752,259.47 is: 2,628,351.20
Step by Step Solution
- Step 1: Write the proportion equation
7,143,582.62 : 10,715,218.97 = 1,752,259.47 : x - Step 2: Convert to fraction form
7,143,582.62/10,715,218.97 = 1,752,259.47/x - Step 3: Cross multiply
7,143,582.62x = 10,715,218.97 × 1,752,259.47 - Step 4: Simplify right side
7,143,582.62x = 18,775,843,904,544.85 - Step 5: Solve for x
x = 18,775,843,904,544.85/7,143,582.62 - Step 6: Final answer
x = 2,628,351.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.