Finding the Fourth Proportional to 2,209,107.60, 3,048,549.39 and 1,242,217.29
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Solution
The fourth proportional to 2,209,107.60, 3,048,549.39 and 1,242,217.29 is: 1,714,249.12
Step by Step Solution
- Step 1: Write the proportion equation
2,209,107.60 : 3,048,549.39 = 1,242,217.29 : x - Step 2: Convert to fraction form
2,209,107.60/3,048,549.39 = 1,242,217.29/x - Step 3: Cross multiply
2,209,107.60x = 3,048,549.39 × 1,242,217.29 - Step 4: Simplify right side
2,209,107.60x = 3,786,960,761,676.95 - Step 5: Solve for x
x = 3,786,960,761,676.95/2,209,107.60 - Step 6: Final answer
x = 1,714,249.12
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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.