Finding the Fourth Proportional to 4,018,882.20, 6,026,573.70 and 1,322,165.40
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Solution
The fourth proportional to 4,018,882.20, 6,026,573.70 and 1,322,165.40 is: 1,982,672.50
Step by Step Solution
- Step 1: Write the proportion equation
4,018,882.20 : 6,026,573.70 = 1,322,165.40 : x - Step 2: Convert to fraction form
4,018,882.20/6,026,573.70 = 1,322,165.40/x - Step 3: Cross multiply
4,018,882.20x = 6,026,573.70 × 1,322,165.40 - Step 4: Simplify right side
4,018,882.20x = 7,968,127,226,689.98 - Step 5: Solve for x
x = 7,968,127,226,689.98/4,018,882.20 - Step 6: Final answer
x = 1,982,672.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.