Finding the Fourth Proportional to 4,138,530.21, 6,207,723 and 1,862,443.98
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Solution
The fourth proportional to 4,138,530.21, 6,207,723 and 1,862,443.98 is: 2,793,633.43
Step by Step Solution
- Step 1: Write the proportion equation
4,138,530.21 : 6,207,723 = 1,862,443.98 : x - Step 2: Convert to fraction form
4,138,530.21/6,207,723 = 1,862,443.98/x - Step 3: Cross multiply
4,138,530.21x = 6,207,723 × 1,862,443.98 - Step 4: Simplify right side
4,138,530.21x = 11,561,536,330,857.54 - Step 5: Solve for x
x = 11,561,536,330,857.54/4,138,530.21 - Step 6: Final answer
x = 2,793,633.43
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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.