Finding the Fourth Proportional to 1,791,989.53, 2,472,944.48 and 987,173.53
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Solution
The fourth proportional to 1,791,989.53, 2,472,944.48 and 987,173.53 is: 1,362,298.88
Step by Step Solution
- Step 1: Write the proportion equation
1,791,989.53 : 2,472,944.48 = 987,173.53 : x - Step 2: Convert to fraction form
1,791,989.53/2,472,944.48 = 987,173.53/x - Step 3: Cross multiply
1,791,989.53x = 2,472,944.48 × 987,173.53 - Step 4: Simplify right side
1,791,989.53x = 2,441,225,324,399.29 - Step 5: Solve for x
x = 2,441,225,324,399.29/1,791,989.53 - Step 6: Final answer
x = 1,362,298.88
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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.