Finding the Fourth Proportional to 5,042,989.20, 6,959,292.76 and 2,867,532.88
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Solution
The fourth proportional to 5,042,989.20, 6,959,292.76 and 2,867,532.88 is: 3,957,176.99
Step by Step Solution
- Step 1: Write the proportion equation
5,042,989.20 : 6,959,292.76 = 2,867,532.88 : x - Step 2: Convert to fraction form
5,042,989.20/6,959,292.76 = 2,867,532.88/x - Step 3: Cross multiply
5,042,989.20x = 6,959,292.76 × 2,867,532.88 - Step 4: Simplify right side
5,042,989.20x = 19,956,000,810,845.95 - Step 5: Solve for x
x = 19,956,000,810,845.95/5,042,989.20 - Step 6: Final answer
x = 3,957,176.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.