Finding the Fourth Proportional to 2,523,388.12, 3,481,809.87 and 1,435,596.19
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Solution
The fourth proportional to 2,523,388.12, 3,481,809.87 and 1,435,596.19 is: 1,980,857.78
Step by Step Solution
- Step 1: Write the proportion equation
2,523,388.12 : 3,481,809.87 = 1,435,596.19 : x - Step 2: Convert to fraction form
2,523,388.12/3,481,809.87 = 1,435,596.19/x - Step 3: Cross multiply
2,523,388.12x = 3,481,809.87 × 1,435,596.19 - Step 4: Simplify right side
2,523,388.12x = 4,998,472,983,676.40 - Step 5: Solve for x
x = 4,998,472,983,676.40/2,523,388.12 - Step 6: Final answer
x = 1,980,857.78
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1.5x scale
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.