Finding the Fourth Proportional to 5,602,115.80, 8,384,511.30 and 4,930,269.40
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Solution
The fourth proportional to 5,602,115.80, 8,384,511.30 and 4,930,269.40 is: 7,378,979.83
Step by Step Solution
- Step 1: Write the proportion equation
5,602,115.80 : 8,384,511.30 = 4,930,269.40 : x - Step 2: Convert to fraction form
5,602,115.80/8,384,511.30 = 4,930,269.40/x - Step 3: Cross multiply
5,602,115.80x = 8,384,511.30 × 4,930,269.40 - Step 4: Simplify right side
5,602,115.80x = 41,337,899,496,344.22 - Step 5: Solve for x
x = 41,337,899,496,344.22/5,602,115.80 - Step 6: Final answer
x = 7,378,979.83
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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.