Finding the Fourth Proportional to 2,167,687.98, 2,984,584.60 and 1,840,353.55
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Solution
The fourth proportional to 2,167,687.98, 2,984,584.60 and 1,840,353.55 is: 2,533,893.66
Step by Step Solution
- Step 1: Write the proportion equation
2,167,687.98 : 2,984,584.60 = 1,840,353.55 : x - Step 2: Convert to fraction form
2,167,687.98/2,984,584.60 = 1,840,353.55/x - Step 3: Cross multiply
2,167,687.98x = 2,984,584.60 × 1,840,353.55 - Step 4: Simplify right side
2,167,687.98x = 5,492,690,839,760.64 - Step 5: Solve for x
x = 5,492,690,839,760.64/2,167,687.98 - Step 6: Final answer
x = 2,533,893.66
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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.