Finding the Fourth Proportional to 3,409,107.68, 5,112,332.58 and 1,278,029
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Solution
The fourth proportional to 3,409,107.68, 5,112,332.58 and 1,278,029 is: 1,916,545.30
Step by Step Solution
- Step 1: Write the proportion equation
3,409,107.68 : 5,112,332.58 = 1,278,029 : x - Step 2: Convert to fraction form
3,409,107.68/5,112,332.58 = 1,278,029/x - Step 3: Cross multiply
3,409,107.68x = 5,112,332.58 × 1,278,029 - Step 4: Simplify right side
3,409,107.68x = 6,533,709,294,884.82 - Step 5: Solve for x
x = 6,533,709,294,884.82/3,409,107.68 - Step 6: Final answer
x = 1,916,545.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.