Finding the Fourth Proportional to 2,641,918.68, 3,645,861.75 and 1,480,367.40
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Solution
The fourth proportional to 2,641,918.68, 3,645,861.75 and 1,480,367.40 is: 2,042,914.84
Step by Step Solution
- Step 1: Write the proportion equation
2,641,918.68 : 3,645,861.75 = 1,480,367.40 : x - Step 2: Convert to fraction form
2,641,918.68/3,645,861.75 = 1,480,367.40/x - Step 3: Cross multiply
2,641,918.68x = 3,645,861.75 × 1,480,367.40 - Step 4: Simplify right side
2,641,918.68x = 5,397,214,879,606.95 - Step 5: Solve for x
x = 5,397,214,879,606.95/2,641,918.68 - Step 6: Final answer
x = 2,042,914.84
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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.