Finding the Fourth Proportional to 3,409,115.68, 5,112,344.52 and 1,278,037
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Solution
The fourth proportional to 3,409,115.68, 5,112,344.52 and 1,278,037 is: 1,916,557.27
Step by Step Solution
- Step 1: Write the proportion equation
3,409,115.68 : 5,112,344.52 = 1,278,037 : x - Step 2: Convert to fraction form
3,409,115.68/5,112,344.52 = 1,278,037/x - Step 3: Cross multiply
3,409,115.68x = 5,112,344.52 × 1,278,037 - Step 4: Simplify right side
3,409,115.68x = 6,533,765,453,307.24 - Step 5: Solve for x
x = 6,533,765,453,307.24/3,409,115.68 - Step 6: Final answer
x = 1,916,557.27
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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.