Finding the Fourth Proportional to 1,611,540.18, 2,223,926.62 and 886,443.08
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Solution
The fourth proportional to 1,611,540.18, 2,223,926.62 and 886,443.08 is: 1,223,292.09
Step by Step Solution
- Step 1: Write the proportion equation
1,611,540.18 : 2,223,926.62 = 886,443.08 : x - Step 2: Convert to fraction form
1,611,540.18/2,223,926.62 = 886,443.08/x - Step 3: Cross multiply
1,611,540.18x = 2,223,926.62 × 886,443.08 - Step 4: Simplify right side
1,611,540.18x = 1,971,384,349,391.05 - Step 5: Solve for x
x = 1,971,384,349,391.05/1,611,540.18 - Step 6: Final answer
x = 1,223,292.09
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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.