Finding the Fourth Proportional to 5,282,802.99, 7,923,816.90 and 1,687,604.63
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Solution
The fourth proportional to 5,282,802.99, 7,923,816.90 and 1,687,604.63 is: 2,531,283.12
Step by Step Solution
- Step 1: Write the proportion equation
5,282,802.99 : 7,923,816.90 = 1,687,604.63 : x - Step 2: Convert to fraction form
5,282,802.99/7,923,816.90 = 1,687,604.63/x - Step 3: Cross multiply
5,282,802.99x = 7,923,816.90 × 1,687,604.63 - Step 4: Simplify right side
5,282,802.99x = 13,372,270,048,093.16 - Step 5: Solve for x
x = 13,372,270,048,093.16/5,282,802.99 - Step 6: Final answer
x = 2,531,283.12
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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.