Finding the Fourth Proportional to 2,580,442.70, 3,865,998.45 and 2,207,194.70
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Solution
The fourth proportional to 2,580,442.70, 3,865,998.45 and 2,207,194.70 is: 3,306,801.31
Step by Step Solution
- Step 1: Write the proportion equation
2,580,442.70 : 3,865,998.45 = 2,207,194.70 : x - Step 2: Convert to fraction form
2,580,442.70/3,865,998.45 = 2,207,194.70/x - Step 3: Cross multiply
2,580,442.70x = 3,865,998.45 × 2,207,194.70 - Step 4: Simplify right side
2,580,442.70x = 8,533,011,289,048.22 - Step 5: Solve for x
x = 8,533,011,289,048.22/2,580,442.70 - Step 6: Final answer
x = 3,306,801.31
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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.