Finding the Fourth Proportional to 2,149,597.11, 3,226,415.81 and 1,125,662.31
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Solution
The fourth proportional to 2,149,597.11, 3,226,415.81 and 1,125,662.31 is: 1,689,551.34
Step by Step Solution
- Step 1: Write the proportion equation
2,149,597.11 : 3,226,415.81 = 1,125,662.31 : x - Step 2: Convert to fraction form
2,149,597.11/3,226,415.81 = 1,125,662.31/x - Step 3: Cross multiply
2,149,597.11x = 3,226,415.81 × 1,125,662.31 - Step 4: Simplify right side
2,149,597.11x = 3,631,854,676,519.28 - Step 5: Solve for x
x = 3,631,854,676,519.28/2,149,597.11 - Step 6: Final answer
x = 1,689,551.34
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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.