Finding the Fourth Proportional to 1,643,114.44, 2,267,604.34 and 917,966.06
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Solution
The fourth proportional to 1,643,114.44, 2,267,604.34 and 917,966.06 is: 1,266,852.61
Step by Step Solution
- Step 1: Write the proportion equation
1,643,114.44 : 2,267,604.34 = 917,966.06 : x - Step 2: Convert to fraction form
1,643,114.44/2,267,604.34 = 917,966.06/x - Step 3: Cross multiply
1,643,114.44x = 2,267,604.34 × 917,966.06 - Step 4: Simplify right side
1,643,114.44x = 2,081,583,821,628.70 - Step 5: Solve for x
x = 2,081,583,821,628.70/1,643,114.44 - Step 6: Final answer
x = 1,266,852.61
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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.