Finding the Fourth Proportional to 1,547,852.29, 2,135,964.26 and 859,567.75
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Solution
The fourth proportional to 1,547,852.29, 2,135,964.26 and 859,567.75 is: 1,186,163.57
Step by Step Solution
- Step 1: Write the proportion equation
1,547,852.29 : 2,135,964.26 = 859,567.75 : x - Step 2: Convert to fraction form
1,547,852.29/2,135,964.26 = 859,567.75/x - Step 3: Cross multiply
1,547,852.29x = 2,135,964.26 × 859,567.75 - Step 4: Simplify right side
1,547,852.29x = 1,836,005,989,857.62 - Step 5: Solve for x
x = 1,836,005,989,857.62/1,547,852.29 - Step 6: Final answer
x = 1,186,163.57
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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.