Finding the Fourth Proportional to 1,465,646.14, 2,198,364.09 and 454,742.14
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Solution
The fourth proportional to 1,465,646.14, 2,198,364.09 and 454,742.14 is: 682,080.59
Step by Step Solution
- Step 1: Write the proportion equation
1,465,646.14 : 2,198,364.09 = 454,742.14 : x - Step 2: Convert to fraction form
1,465,646.14/2,198,364.09 = 454,742.14/x - Step 3: Cross multiply
1,465,646.14x = 2,198,364.09 × 454,742.14 - Step 4: Simplify right side
1,465,646.14x = 999,688,790,785.75 - Step 5: Solve for x
x = 999,688,790,785.75/1,465,646.14 - Step 6: Final answer
x = 682,080.59
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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.