Finding the Fourth Proportional to 3,076,412.28, 4,245,534.56 and 1,699,844.70
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Solution
The fourth proportional to 3,076,412.28, 4,245,534.56 and 1,699,844.70 is: 2,345,832.99
Step by Step Solution
- Step 1: Write the proportion equation
3,076,412.28 : 4,245,534.56 = 1,699,844.70 : x - Step 2: Convert to fraction form
3,076,412.28/4,245,534.56 = 1,699,844.70/x - Step 3: Cross multiply
3,076,412.28x = 4,245,534.56 × 1,699,844.70 - Step 4: Simplify right side
3,076,412.28x = 7,216,749,420,482.83 - Step 5: Solve for x
x = 7,216,749,420,482.83/3,076,412.28 - Step 6: Final answer
x = 2,345,832.99
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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.