Finding the Fourth Proportional to 3,861,208.80, 5,793,886.80 and 1,617,573.60
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Solution
The fourth proportional to 3,861,208.80, 5,793,886.80 and 1,617,573.60 is: 2,427,229.09
Step by Step Solution
- Step 1: Write the proportion equation
3,861,208.80 : 5,793,886.80 = 1,617,573.60 : x - Step 2: Convert to fraction form
3,861,208.80/5,793,886.80 = 1,617,573.60/x - Step 3: Cross multiply
3,861,208.80x = 5,793,886.80 × 1,617,573.60 - Step 4: Simplify right side
3,861,208.80x = 9,372,038,329,068.48 - Step 5: Solve for x
x = 9,372,038,329,068.48/3,861,208.80 - Step 6: Final answer
x = 2,427,229.09
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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.