Finding the Fourth Proportional to 3,206,109.36, 4,424,345.20 and 1,829,428.06
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Solution
The fourth proportional to 3,206,109.36, 4,424,345.20 and 1,829,428.06 is: 2,524,561.81
Step by Step Solution
- Step 1: Write the proportion equation
3,206,109.36 : 4,424,345.20 = 1,829,428.06 : x - Step 2: Convert to fraction form
3,206,109.36/4,424,345.20 = 1,829,428.06/x - Step 3: Cross multiply
3,206,109.36x = 4,424,345.20 × 1,829,428.06 - Step 4: Simplify right side
3,206,109.36x = 8,094,021,256,006.31 - Step 5: Solve for x
x = 8,094,021,256,006.31/3,206,109.36 - Step 6: Final answer
x = 2,524,561.81
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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.