Finding the Fourth Proportional to 1,007,121.97, 1,510,830.51 and 297,057.61
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Solution
The fourth proportional to 1,007,121.97, 1,510,830.51 and 297,057.61 is: 445,629.94
Step by Step Solution
- Step 1: Write the proportion equation
1,007,121.97 : 1,510,830.51 = 297,057.61 : x - Step 2: Convert to fraction form
1,007,121.97/1,510,830.51 = 297,057.61/x - Step 3: Cross multiply
1,007,121.97x = 1,510,830.51 × 297,057.61 - Step 4: Simplify right side
1,007,121.97x = 448,803,700,415.68 - Step 5: Solve for x
x = 448,803,700,415.68/1,007,121.97 - Step 6: Final answer
x = 445,629.94
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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.