Finding the Fourth Proportional to 2,901,007.80, 4,351,511.70 and 771,307.20
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Solution
The fourth proportional to 2,901,007.80, 4,351,511.70 and 771,307.20 is: 1,156,960.80
Step by Step Solution
- Step 1: Write the proportion equation
2,901,007.80 : 4,351,511.70 = 771,307.20 : x - Step 2: Convert to fraction form
2,901,007.80/4,351,511.70 = 771,307.20/x - Step 3: Cross multiply
2,901,007.80x = 4,351,511.70 × 771,307.20 - Step 4: Simplify right side
2,901,007.80x = 3,356,352,305,094.24 - Step 5: Solve for x
x = 3,356,352,305,094.24/2,901,007.80 - Step 6: Final answer
x = 1,156,960.80
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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.