Finding the Fourth Proportional to 1,616,380.08, 2,230,167 and 918,651.12
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Solution
The fourth proportional to 1,616,380.08, 2,230,167 and 918,651.12 is: 1,267,489.89
Step by Step Solution
- Step 1: Write the proportion equation
1,616,380.08 : 2,230,167 = 918,651.12 : x - Step 2: Convert to fraction form
1,616,380.08/2,230,167 = 918,651.12/x - Step 3: Cross multiply
1,616,380.08x = 2,230,167 × 918,651.12 - Step 4: Simplify right side
1,616,380.08x = 2,048,745,412,337.04 - Step 5: Solve for x
x = 2,048,745,412,337.04/1,616,380.08 - Step 6: Final answer
x = 1,267,489.89
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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.