Finding the Fourth Proportional to 1,509,649.44, 2,082,974.16 and 1,101,973.44
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Solution
The fourth proportional to 1,509,649.44, 2,082,974.16 and 1,101,973.44 is: 1,520,473.65
Step by Step Solution
- Step 1: Write the proportion equation
1,509,649.44 : 2,082,974.16 = 1,101,973.44 : x - Step 2: Convert to fraction form
1,509,649.44/2,082,974.16 = 1,101,973.44/x - Step 3: Cross multiply
1,509,649.44x = 2,082,974.16 × 1,101,973.44 - Step 4: Simplify right side
1,509,649.44x = 2,295,382,200,526.31 - Step 5: Solve for x
x = 2,295,382,200,526.31/1,509,649.44 - Step 6: Final answer
x = 1,520,473.65
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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.