Finding the Fourth Proportional to 1,896,187.84, 2,616,721.33 and 1,036,738.96
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Solution
The fourth proportional to 1,896,187.84, 2,616,721.33 and 1,036,738.96 is: 1,430,689.98
Step by Step Solution
- Step 1: Write the proportion equation
1,896,187.84 : 2,616,721.33 = 1,036,738.96 : x - Step 2: Convert to fraction form
1,896,187.84/2,616,721.33 = 1,036,738.96/x - Step 3: Cross multiply
1,896,187.84x = 2,616,721.33 × 1,036,738.96 - Step 4: Simplify right side
1,896,187.84x = 2,712,856,950,274.02 - Step 5: Solve for x
x = 2,712,856,950,274.02/1,896,187.84 - Step 6: Final answer
x = 1,430,689.98
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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.