Finding the Fourth Proportional to 2,167,687.48, 2,984,583.91 and 1,840,353.05
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Solution
The fourth proportional to 2,167,687.48, 2,984,583.91 and 1,840,353.05 is: 2,533,892.98
Step by Step Solution
- Step 1: Write the proportion equation
2,167,687.48 : 2,984,583.91 = 1,840,353.05 : x - Step 2: Convert to fraction form
2,167,687.48/2,984,583.91 = 1,840,353.05/x - Step 3: Cross multiply
2,167,687.48x = 2,984,583.91 × 1,840,353.05 - Step 4: Simplify right side
2,167,687.48x = 5,492,688,077,624.74 - Step 5: Solve for x
x = 5,492,688,077,624.74/2,167,687.48 - Step 6: Final answer
x = 2,533,892.98
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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.