Finding the Fourth Proportional to 1,791,997.99, 2,472,956.13 and 987,181.99
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Solution
The fourth proportional to 1,791,997.99, 2,472,956.13 and 987,181.99 is: 1,362,310.54
Step by Step Solution
- Step 1: Write the proportion equation
1,791,997.99 : 2,472,956.13 = 987,181.99 : x - Step 2: Convert to fraction form
1,791,997.99/2,472,956.13 = 987,181.99/x - Step 3: Cross multiply
1,791,997.99x = 2,472,956.13 × 987,181.99 - Step 4: Simplify right side
1,791,997.99x = 2,441,257,751,115.64 - Step 5: Solve for x
x = 2,441,257,751,115.64/1,791,997.99 - Step 6: Final answer
x = 1,362,310.54
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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.