Finding the Fourth Proportional to 5,229,151.25, 7,844,178.74 and 1,442,634.12
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Solution
The fourth proportional to 5,229,151.25, 7,844,178.74 and 1,442,634.12 is: 2,164,075.84
Step by Step Solution
- Step 1: Write the proportion equation
5,229,151.25 : 7,844,178.74 = 1,442,634.12 : x - Step 2: Convert to fraction form
5,229,151.25/7,844,178.74 = 1,442,634.12/x - Step 3: Cross multiply
5,229,151.25x = 7,844,178.74 × 1,442,634.12 - Step 4: Simplify right side
5,229,151.25x = 11,316,279,886,489.44 - Step 5: Solve for x
x = 11,316,279,886,489.44/5,229,151.25 - Step 6: Final answer
x = 2,164,075.84
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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.