Finding the Fourth Proportional to 3,894,708.96, 5,842,243.80 and 1,199,154.96
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Solution
The fourth proportional to 3,894,708.96, 5,842,243.80 and 1,199,154.96 is: 1,798,787.97
Step by Step Solution
- Step 1: Write the proportion equation
3,894,708.96 : 5,842,243.80 = 1,199,154.96 : x - Step 2: Convert to fraction form
3,894,708.96/5,842,243.80 = 1,199,154.96/x - Step 3: Cross multiply
3,894,708.96x = 5,842,243.80 × 1,199,154.96 - Step 4: Simplify right side
3,894,708.96x = 7,005,755,630,299.25 - Step 5: Solve for x
x = 7,005,755,630,299.25/3,894,708.96 - Step 6: Final answer
x = 1,798,787.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.