Finding the Fourth Proportional to 5,437,824.84, 7,504,390.86 and 2,990,625.30
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Solution
The fourth proportional to 5,437,824.84, 7,504,390.86 and 2,990,625.30 is: 4,127,168.83
Step by Step Solution
- Step 1: Write the proportion equation
5,437,824.84 : 7,504,390.86 = 2,990,625.30 : x - Step 2: Convert to fraction form
5,437,824.84/7,504,390.86 = 2,990,625.30/x - Step 3: Cross multiply
5,437,824.84x = 7,504,390.86 × 2,990,625.30 - Step 4: Simplify right side
5,437,824.84x = 22,442,821,167,004.76 - Step 5: Solve for x
x = 22,442,821,167,004.76/5,437,824.84 - Step 6: Final answer
x = 4,127,168.83
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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.