Finding the Fourth Proportional to 4,186,317.11, 6,275,489.83 and 1,344,436.36
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Solution
The fourth proportional to 4,186,317.11, 6,275,489.83 and 1,344,436.36 is: 2,015,374.49
Step by Step Solution
- Step 1: Write the proportion equation
4,186,317.11 : 6,275,489.83 = 1,344,436.36 : x - Step 2: Convert to fraction form
4,186,317.11/6,275,489.83 = 1,344,436.36/x - Step 3: Cross multiply
4,186,317.11x = 6,275,489.83 × 1,344,436.36 - Step 4: Simplify right side
4,186,317.11x = 8,436,996,685,212.40 - Step 5: Solve for x
x = 8,436,996,685,212.40/4,186,317.11 - Step 6: Final answer
x = 2,015,374.49
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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.