Finding the Fourth Proportional to 1,631,914.80, 2,251,674.36 and 987,318.96
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Solution
The fourth proportional to 1,631,914.80, 2,251,674.36 and 987,318.96 is: 1,362,277.48
Step by Step Solution
- Step 1: Write the proportion equation
1,631,914.80 : 2,251,674.36 = 987,318.96 : x - Step 2: Convert to fraction form
1,631,914.80/2,251,674.36 = 987,318.96/x - Step 3: Cross multiply
1,631,914.80x = 2,251,674.36 × 987,318.96 - Step 4: Simplify right side
1,631,914.80x = 2,223,120,787,373.87 - Step 5: Solve for x
x = 2,223,120,787,373.87/1,631,914.80 - Step 6: Final answer
x = 1,362,277.48
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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.