Finding the Fourth Proportional to 2,141,167.84, 2,954,998.49 and 1,174,484.97
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Solution
The fourth proportional to 2,141,167.84, 2,954,998.49 and 1,174,484.97 is: 1,620,891.76
Step by Step Solution
- Step 1: Write the proportion equation
2,141,167.84 : 2,954,998.49 = 1,174,484.97 : x - Step 2: Convert to fraction form
2,141,167.84/2,954,998.49 = 1,174,484.97/x - Step 3: Cross multiply
2,141,167.84x = 2,954,998.49 × 1,174,484.97 - Step 4: Simplify right side
2,141,167.84x = 3,470,601,312,877.70 - Step 5: Solve for x
x = 3,470,601,312,877.70/2,141,167.84 - Step 6: Final answer
x = 1,620,891.76
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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.