Finding the Fourth Proportional to 2,188,803.69, 3,019,691.21 and 1,270,876.05
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Solution
The fourth proportional to 2,188,803.69, 3,019,691.21 and 1,270,876.05 is: 1,753,310.84
Step by Step Solution
- Step 1: Write the proportion equation
2,188,803.69 : 3,019,691.21 = 1,270,876.05 : x - Step 2: Convert to fraction form
2,188,803.69/3,019,691.21 = 1,270,876.05/x - Step 3: Cross multiply
2,188,803.69x = 3,019,691.21 × 1,270,876.05 - Step 4: Simplify right side
2,188,803.69x = 3,837,653,230,830.14 - Step 5: Solve for x
x = 3,837,653,230,830.14/2,188,803.69 - Step 6: Final answer
x = 1,753,310.84
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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.