Finding the Fourth Proportional to 1,643,450.19, 2,269,415.51 and 1,024,312.01
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Solution
The fourth proportional to 1,643,450.19, 2,269,415.51 and 1,024,312.01 is: 1,414,456.95
Step by Step Solution
- Step 1: Write the proportion equation
1,643,450.19 : 2,269,415.51 = 1,024,312.01 : x - Step 2: Convert to fraction form
1,643,450.19/2,269,415.51 = 1,024,312.01/x - Step 3: Cross multiply
1,643,450.19x = 2,269,415.51 × 1,024,312.01 - Step 4: Simplify right side
1,643,450.19x = 2,324,589,546,104.64 - Step 5: Solve for x
x = 2,324,589,546,104.64/1,643,450.19 - Step 6: Final answer
x = 1,414,456.95
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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.