Finding the Fourth Proportional to 4,788,436.96, 7,178,449.92 and 1,950,935.68
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Solution
The fourth proportional to 4,788,436.96, 7,178,449.92 and 1,950,935.68 is: 2,924,690.08
Step by Step Solution
- Step 1: Write the proportion equation
4,788,436.96 : 7,178,449.92 = 1,950,935.68 : x - Step 2: Convert to fraction form
4,788,436.96/7,178,449.92 = 1,950,935.68/x - Step 3: Cross multiply
4,788,436.96x = 7,178,449.92 × 1,950,935.68 - Step 4: Simplify right side
4,788,436.96x = 14,004,694,076,021.14 - Step 5: Solve for x
x = 14,004,694,076,021.14/4,788,436.96 - Step 6: Final answer
x = 2,924,690.08
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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.