Finding the Fourth Proportional to 2,107,060.56, 2,907,031.87 and 1,371,679.11
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Solution
The fourth proportional to 2,107,060.56, 2,907,031.87 and 1,371,679.11 is: 1,892,453.86
Step by Step Solution
- Step 1: Write the proportion equation
2,107,060.56 : 2,907,031.87 = 1,371,679.11 : x - Step 2: Convert to fraction form
2,107,060.56/2,907,031.87 = 1,371,679.11/x - Step 3: Cross multiply
2,107,060.56x = 2,907,031.87 × 1,371,679.11 - Step 4: Simplify right side
2,107,060.56x = 3,987,514,888,183.24 - Step 5: Solve for x
x = 3,987,514,888,183.24/2,107,060.56 - Step 6: Final answer
x = 1,892,453.86
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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.