Finding the Fourth Proportional to 4,824,639.14, 7,235,853.14 and 2,879,916.62
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Solution
The fourth proportional to 4,824,639.14, 7,235,853.14 and 2,879,916.62 is: 4,319,214.99
Step by Step Solution
- Step 1: Write the proportion equation
4,824,639.14 : 7,235,853.14 = 2,879,916.62 : x - Step 2: Convert to fraction form
4,824,639.14/7,235,853.14 = 2,879,916.62/x - Step 3: Cross multiply
4,824,639.14x = 7,235,853.14 × 2,879,916.62 - Step 4: Simplify right side
4,824,639.14x = 20,838,653,717,765.19 - Step 5: Solve for x
x = 20,838,653,717,765.19/4,824,639.14 - Step 6: Final answer
x = 4,319,214.99
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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.