Finding the Fourth Proportional to 4,933,649.58, 6,808,577.48 and 2,758,198.15
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Solution
The fourth proportional to 4,933,649.58, 6,808,577.48 and 2,758,198.15 is: 3,806,392.31
Step by Step Solution
- Step 1: Write the proportion equation
4,933,649.58 : 6,808,577.48 = 2,758,198.15 : x - Step 2: Convert to fraction form
4,933,649.58/6,808,577.48 = 2,758,198.15/x - Step 3: Cross multiply
4,933,649.58x = 6,808,577.48 × 2,758,198.15 - Step 4: Simplify right side
4,933,649.58x = 18,779,405,809,467.66 - Step 5: Solve for x
x = 18,779,405,809,467.66/4,933,649.58 - Step 6: Final answer
x = 3,806,392.31
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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.