Finding the Fourth Proportional to 6,543,405.99, 9,029,695.14 and 3,790,147.19
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Solution
The fourth proportional to 6,543,405.99, 9,029,695.14 and 3,790,147.19 is: 5,230,284.30
Step by Step Solution
- Step 1: Write the proportion equation
6,543,405.99 : 9,029,695.14 = 3,790,147.19 : x - Step 2: Convert to fraction form
6,543,405.99/9,029,695.14 = 3,790,147.19/x - Step 3: Cross multiply
6,543,405.99x = 9,029,695.14 × 3,790,147.19 - Step 4: Simplify right side
6,543,405.99x = 34,223,873,616,279.18 - Step 5: Solve for x
x = 34,223,873,616,279.18/6,543,405.99 - Step 6: Final answer
x = 5,230,284.30
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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.