Finding the Fourth Proportional to 2,118,861.31, 3,177,951.47 and 581,497.53
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Solution
The fourth proportional to 2,118,861.31, 3,177,951.47 and 581,497.53 is: 872,152.85
Step by Step Solution
- Step 1: Write the proportion equation
2,118,861.31 : 3,177,951.47 = 581,497.53 : x - Step 2: Convert to fraction form
2,118,861.31/3,177,951.47 = 581,497.53/x - Step 3: Cross multiply
2,118,861.31x = 3,177,951.47 × 581,497.53 - Step 4: Simplify right side
2,118,861.31x = 1,847,970,935,302.26 - Step 5: Solve for x
x = 1,847,970,935,302.26/2,118,861.31 - Step 6: Final answer
x = 872,152.85
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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.