Finding the Fourth Proportional to 2,497,861.40, 3,447,132.19 and 1,530,804.83
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Solution
The fourth proportional to 2,497,861.40, 3,447,132.19 and 1,530,804.83 is: 2,112,561.81
Step by Step Solution
- Step 1: Write the proportion equation
2,497,861.40 : 3,447,132.19 = 1,530,804.83 : x - Step 2: Convert to fraction form
2,497,861.40/3,447,132.19 = 1,530,804.83/x - Step 3: Cross multiply
2,497,861.40x = 3,447,132.19 × 1,530,804.83 - Step 4: Simplify right side
2,497,861.40x = 5,276,886,585,037.81 - Step 5: Solve for x
x = 5,276,886,585,037.81/2,497,861.40 - Step 6: Final answer
x = 2,112,561.81
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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.