Finding the Fourth Proportional to 5,437,972.89, 7,504,252.80 and 2,990,583.68
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Solution
The fourth proportional to 5,437,972.89, 7,504,252.80 and 2,990,583.68 is: 4,126,923.10
Step by Step Solution
- Step 1: Write the proportion equation
5,437,972.89 : 7,504,252.80 = 2,990,583.68 : x - Step 2: Convert to fraction form
5,437,972.89/7,504,252.80 = 2,990,583.68/x - Step 3: Cross multiply
5,437,972.89x = 7,504,252.80 × 2,990,583.68 - Step 4: Simplify right side
5,437,972.89x = 22,442,095,932,923.08 - Step 5: Solve for x
x = 22,442,095,932,923.08/5,437,972.89 - Step 6: Final answer
x = 4,126,923.10
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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.