Finding the Fourth Proportional to 8,970,945.40, 13,458,478.74 and 2,581,250.68
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Solution
The fourth proportional to 8,970,945.40, 13,458,478.74 and 2,581,250.68 is: 3,872,468.94
Step by Step Solution
- Step 1: Write the proportion equation
8,970,945.40 : 13,458,478.74 = 2,581,250.68 : x - Step 2: Convert to fraction form
8,970,945.40/13,458,478.74 = 2,581,250.68/x - Step 3: Cross multiply
8,970,945.40x = 13,458,478.74 × 2,581,250.68 - Step 4: Simplify right side
8,970,945.40x = 34,739,707,399,390.55 - Step 5: Solve for x
x = 34,739,707,399,390.55/8,970,945.40 - Step 6: Final answer
x = 3,872,468.94
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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.