Finding the Fourth Proportional to 5,261,039.60, 7,887,622.80 and 2,867,586.80
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Solution
The fourth proportional to 5,261,039.60, 7,887,622.80 and 2,867,586.80 is: 4,299,234.51
Step by Step Solution
- Step 1: Write the proportion equation
5,261,039.60 : 7,887,622.80 = 2,867,586.80 : x - Step 2: Convert to fraction form
5,261,039.60/7,887,622.80 = 2,867,586.80/x - Step 3: Cross multiply
5,261,039.60x = 7,887,622.80 × 2,867,586.80 - Step 4: Simplify right side
5,261,039.60x = 22,618,443,024,659.04 - Step 5: Solve for x
x = 22,618,443,024,659.04/5,261,039.60 - Step 6: Final answer
x = 4,299,234.51
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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.