Finding the Fourth Proportional to 2,037,214.48, 2,811,191.40 and 1,177,830.12
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Solution
The fourth proportional to 2,037,214.48, 2,811,191.40 and 1,177,830.12 is: 1,625,310.41
Step by Step Solution
- Step 1: Write the proportion equation
2,037,214.48 : 2,811,191.40 = 1,177,830.12 : x - Step 2: Convert to fraction form
2,037,214.48/2,811,191.40 = 1,177,830.12/x - Step 3: Cross multiply
2,037,214.48x = 2,811,191.40 × 1,177,830.12 - Step 4: Simplify right side
2,037,214.48x = 3,311,105,904,004.97 - Step 5: Solve for x
x = 3,311,105,904,004.97/2,037,214.48 - Step 6: Final answer
x = 1,625,310.41
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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.