Finding the Fourth Proportional to 3,107,104.11, 4,286,643.39 and 3,102,314.18
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Solution
The fourth proportional to 3,107,104.11, 4,286,643.39 and 3,102,314.18 is: 4,280,035.07
Step by Step Solution
- Step 1: Write the proportion equation
3,107,104.11 : 4,286,643.39 = 3,102,314.18 : x - Step 2: Convert to fraction form
3,107,104.11/4,286,643.39 = 3,102,314.18/x - Step 3: Cross multiply
3,107,104.11x = 4,286,643.39 × 3,102,314.18 - Step 4: Simplify right side
3,107,104.11x = 13,298,514,551,967.05 - Step 5: Solve for x
x = 13,298,514,551,967.05/3,107,104.11 - Step 6: Final answer
x = 4,280,035.07
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1.5x scale
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.