Finding the Fourth Proportional to 1,905,363.12, 2,629,390.68 and 1,045,938
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Solution
The fourth proportional to 1,905,363.12, 2,629,390.68 and 1,045,938 is: 1,443,388.72
Step by Step Solution
- Step 1: Write the proportion equation
1,905,363.12 : 2,629,390.68 = 1,045,938 : x - Step 2: Convert to fraction form
1,905,363.12/2,629,390.68 = 1,045,938/x - Step 3: Cross multiply
1,905,363.12x = 2,629,390.68 × 1,045,938 - Step 4: Simplify right side
1,905,363.12x = 2,750,179,629,057.84 - Step 5: Solve for x
x = 2,750,179,629,057.84/1,905,363.12 - Step 6: Final answer
x = 1,443,388.72
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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.