Finding the Fourth Proportional to 5,617,597.44, 7,752,281.85 and 3,170,721.70
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Solution
The fourth proportional to 5,617,597.44, 7,752,281.85 and 3,170,721.70 is: 4,375,594.47
Step by Step Solution
- Step 1: Write the proportion equation
5,617,597.44 : 7,752,281.85 = 3,170,721.70 : x - Step 2: Convert to fraction form
5,617,597.44/7,752,281.85 = 3,170,721.70/x - Step 3: Cross multiply
5,617,597.44x = 7,752,281.85 × 3,170,721.70 - Step 4: Simplify right side
5,617,597.44x = 24,580,328,286,311.14 - Step 5: Solve for x
x = 24,580,328,286,311.14/5,617,597.44 - Step 6: Final answer
x = 4,375,594.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.