Finding the Fourth Proportional to 2,702,608.58, 4,053,078.63 and 783,661.21
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Solution
The fourth proportional to 2,702,608.58, 4,053,078.63 and 783,661.21 is: 1,175,249.91
Step by Step Solution
- Step 1: Write the proportion equation
2,702,608.58 : 4,053,078.63 = 783,661.21 : x - Step 2: Convert to fraction form
2,702,608.58/4,053,078.63 = 783,661.21/x - Step 3: Cross multiply
2,702,608.58x = 4,053,078.63 × 783,661.21 - Step 4: Simplify right side
2,702,608.58x = 3,176,240,493,278.25 - Step 5: Solve for x
x = 3,176,240,493,278.25/2,702,608.58 - Step 6: Final answer
x = 1,175,249.91
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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.