Finding the Fourth Proportional to 5,437,827.68, 7,504,394.72 and 2,990,628.14
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Solution
The fourth proportional to 5,437,827.68, 7,504,394.72 and 2,990,628.14 is: 4,127,172.71
Step by Step Solution
- Step 1: Write the proportion equation
5,437,827.68 : 7,504,394.72 = 2,990,628.14 : x - Step 2: Convert to fraction form
5,437,827.68/7,504,394.72 = 2,990,628.14/x - Step 3: Cross multiply
5,437,827.68x = 7,504,394.72 × 2,990,628.14 - Step 4: Simplify right side
5,437,827.68x = 22,442,853,970,824.30 - Step 5: Solve for x
x = 22,442,853,970,824.30/5,437,827.68 - Step 6: Final answer
x = 4,127,172.71
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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.