Finding the Fourth Proportional to 5,277,848.60, 7,907,441.70 and 4,680,651.80
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Solution
The fourth proportional to 5,277,848.60, 7,907,441.70 and 4,680,651.80 is: 7,012,702.34
Step by Step Solution
- Step 1: Write the proportion equation
5,277,848.60 : 7,907,441.70 = 4,680,651.80 : x - Step 2: Convert to fraction form
5,277,848.60/7,907,441.70 = 4,680,651.80/x - Step 3: Cross multiply
5,277,848.60x = 7,907,441.70 × 4,680,651.80 - Step 4: Simplify right side
5,277,848.60x = 37,011,981,226,500.06 - Step 5: Solve for x
x = 37,011,981,226,500.06/5,277,848.60 - Step 6: Final answer
x = 7,012,702.34
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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.