Finding the Fourth Proportional to 4,629,181.35, 6,388,373.15 and 2,642,276.82
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Solution
The fourth proportional to 4,629,181.35, 6,388,373.15 and 2,642,276.82 is: 3,646,400.74
Step by Step Solution
- Step 1: Write the proportion equation
4,629,181.35 : 6,388,373.15 = 2,642,276.82 : x - Step 2: Convert to fraction form
4,629,181.35/6,388,373.15 = 2,642,276.82/x - Step 3: Cross multiply
4,629,181.35x = 6,388,373.15 × 2,642,276.82 - Step 4: Simplify right side
4,629,181.35x = 16,879,850,298,361.07 - Step 5: Solve for x
x = 16,879,850,298,361.07/4,629,181.35 - Step 6: Final answer
x = 3,646,400.74
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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.