Finding the Fourth Proportional to 3,076,415.30, 4,245,538.68 and 1,699,847.68
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Solution
The fourth proportional to 3,076,415.30, 4,245,538.68 and 1,699,847.68 is: 2,345,837.08
Step by Step Solution
- Step 1: Write the proportion equation
3,076,415.30 : 4,245,538.68 = 1,699,847.68 : x - Step 2: Convert to fraction form
3,076,415.30/4,245,538.68 = 1,699,847.68/x - Step 3: Cross multiply
3,076,415.30x = 4,245,538.68 × 1,699,847.68 - Step 4: Simplify right side
3,076,415.30x = 7,216,769,075,548.26 - Step 5: Solve for x
x = 7,216,769,075,548.26/3,076,415.30 - Step 6: Final answer
x = 2,345,837.08
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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.