Finding the Fourth Proportional to 5,437,821.03, 7,504,385.59 and 2,990,621.49
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Solution
The fourth proportional to 5,437,821.03, 7,504,385.59 and 2,990,621.49 is: 4,127,163.56
Step by Step Solution
- Step 1: Write the proportion equation
5,437,821.03 : 7,504,385.59 = 2,990,621.49 : x - Step 2: Convert to fraction form
5,437,821.03/7,504,385.59 = 2,990,621.49/x - Step 3: Cross multiply
5,437,821.03x = 7,504,385.59 × 2,990,621.49 - Step 4: Simplify right side
5,437,821.03x = 22,442,776,814,700.33 - Step 5: Solve for x
x = 22,442,776,814,700.33/5,437,821.03 - Step 6: Final answer
x = 4,127,163.56
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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.