Finding the Fourth Proportional to 5,437,694.21, 7,503,859.31 and 2,990,302.70
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Solution
The fourth proportional to 5,437,694.21, 7,503,859.31 and 2,990,302.70 is: 4,126,530.45
Step by Step Solution
- Step 1: Write the proportion equation
5,437,694.21 : 7,503,859.31 = 2,990,302.70 : x - Step 2: Convert to fraction form
5,437,694.21/7,503,859.31 = 2,990,302.70/x - Step 3: Cross multiply
5,437,694.21x = 7,503,859.31 × 2,990,302.70 - Step 4: Simplify right side
5,437,694.21x = 22,438,810,702,642.32 - Step 5: Solve for x
x = 22,438,810,702,642.32/5,437,694.21 - Step 6: Final answer
x = 4,126,530.45
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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.