Finding the Fourth Proportional to 8,251,579.80, 12,374,566.39 and 2,858,971.49
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Solution
The fourth proportional to 8,251,579.80, 12,374,566.39 and 2,858,971.49 is: 4,287,485.95
Step by Step Solution
- Step 1: Write the proportion equation
8,251,579.80 : 12,374,566.39 = 2,858,971.49 : x - Step 2: Convert to fraction form
8,251,579.80/12,374,566.39 = 2,858,971.49/x - Step 3: Cross multiply
8,251,579.80x = 12,374,566.39 × 2,858,971.49 - Step 4: Simplify right side
8,251,579.80x = 35,378,532,495,827.37 - Step 5: Solve for x
x = 35,378,532,495,827.37/8,251,579.80 - Step 6: Final answer
x = 4,287,485.95
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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.