Finding the Fourth Proportional to 1,581,907.11, 2,183,031.03 and 856,754.79
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Solution
The fourth proportional to 1,581,907.11, 2,183,031.03 and 856,754.79 is: 1,182,321.19
Step by Step Solution
- Step 1: Write the proportion equation
1,581,907.11 : 2,183,031.03 = 856,754.79 : x - Step 2: Convert to fraction form
1,581,907.11/2,183,031.03 = 856,754.79/x - Step 3: Cross multiply
1,581,907.11x = 2,183,031.03 × 856,754.79 - Step 4: Simplify right side
1,581,907.11x = 1,870,322,291,671.13 - Step 5: Solve for x
x = 1,870,322,291,671.13/1,581,907.11 - Step 6: Final answer
x = 1,182,321.19
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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.