Finding the Fourth Proportional to 1,943,176.84, 2,680,716.84 and 1,126,907.34
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Solution
The fourth proportional to 1,943,176.84, 2,680,716.84 and 1,126,907.34 is: 1,554,629.21
Step by Step Solution
- Step 1: Write the proportion equation
1,943,176.84 : 2,680,716.84 = 1,126,907.34 : x - Step 2: Convert to fraction form
1,943,176.84/2,680,716.84 = 1,126,907.34/x - Step 3: Cross multiply
1,943,176.84x = 2,680,716.84 × 1,126,907.34 - Step 4: Simplify right side
1,943,176.84x = 3,020,919,478,687.30 - Step 5: Solve for x
x = 3,020,919,478,687.30/1,943,176.84 - Step 6: Final answer
x = 1,554,629.21
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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.