Finding the Fourth Proportional to 1,993,997.12, 2,751,702 and 1,088,579.12
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Solution
The fourth proportional to 1,993,997.12, 2,751,702 and 1,088,579.12 is: 1,502,231.53
Step by Step Solution
- Step 1: Write the proportion equation
1,993,997.12 : 2,751,702 = 1,088,579.12 : x - Step 2: Convert to fraction form
1,993,997.12/2,751,702 = 1,088,579.12/x - Step 3: Cross multiply
1,993,997.12x = 2,751,702 × 1,088,579.12 - Step 4: Simplify right side
1,993,997.12x = 2,995,445,341,662.24 - Step 5: Solve for x
x = 2,995,445,341,662.24/1,993,997.12 - Step 6: Final answer
x = 1,502,231.53
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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.