Finding the Fourth Proportional to 1,488,107.64, 2,053,578.42 and 809,044.14
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Solution
The fourth proportional to 1,488,107.64, 2,053,578.42 and 809,044.14 is: 1,116,475.41
Step by Step Solution
- Step 1: Write the proportion equation
1,488,107.64 : 2,053,578.42 = 809,044.14 : x - Step 2: Convert to fraction form
1,488,107.64/2,053,578.42 = 809,044.14/x - Step 3: Cross multiply
1,488,107.64x = 2,053,578.42 × 809,044.14 - Step 4: Simplify right side
1,488,107.64x = 1,661,435,586,731.46 - Step 5: Solve for x
x = 1,661,435,586,731.46/1,488,107.64 - Step 6: Final answer
x = 1,116,475.41
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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.