Finding the Fourth Proportional to 1,377,207.75, 2,065,930.71 and 379,935.75
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Solution
The fourth proportional to 1,377,207.75, 2,065,930.71 and 379,935.75 is: 569,936.48
Step by Step Solution
- Step 1: Write the proportion equation
1,377,207.75 : 2,065,930.71 = 379,935.75 : x - Step 2: Convert to fraction form
1,377,207.75/2,065,930.71 = 379,935.75/x - Step 3: Cross multiply
1,377,207.75x = 2,065,930.71 × 379,935.75 - Step 4: Simplify right side
1,377,207.75x = 784,920,933,751.88 - Step 5: Solve for x
x = 784,920,933,751.88/1,377,207.75 - Step 6: Final answer
x = 569,936.48
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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.