Finding the Fourth Proportional to 5,790,965.60, 8,687,485.20 and 2,425,512.80
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Solution
The fourth proportional to 5,790,965.60, 8,687,485.20 and 2,425,512.80 is: 3,638,703.46
Step by Step Solution
- Step 1: Write the proportion equation
5,790,965.60 : 8,687,485.20 = 2,425,512.80 : x - Step 2: Convert to fraction form
5,790,965.60/8,687,485.20 = 2,425,512.80/x - Step 3: Cross multiply
5,790,965.60x = 8,687,485.20 × 2,425,512.80 - Step 4: Simplify right side
5,790,965.60x = 21,071,606,552,410.55 - Step 5: Solve for x
x = 21,071,606,552,410.55/5,790,965.60 - Step 6: Final answer
x = 3,638,703.46
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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.