Finding the Fourth Proportional to 3,650,390.94, 5,471,725.09 and 1,374,930.81
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Solution
The fourth proportional to 3,650,390.94, 5,471,725.09 and 1,374,930.81 is: 2,060,941.84
Step by Step Solution
- Step 1: Write the proportion equation
3,650,390.94 : 5,471,725.09 = 1,374,930.81 : x - Step 2: Convert to fraction form
3,650,390.94/5,471,725.09 = 1,374,930.81/x - Step 3: Cross multiply
3,650,390.94x = 5,471,725.09 × 1,374,930.81 - Step 4: Simplify right side
3,650,390.94x = 7,523,243,410,091.02 - Step 5: Solve for x
x = 7,523,243,410,091.02/3,650,390.94 - Step 6: Final answer
x = 2,060,941.84
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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.