Finding the Fourth Proportional to 4,695,556.40, 7,048,000.20 and 2,302,103.60
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Solution
The fourth proportional to 4,695,556.40, 7,048,000.20 and 2,302,103.60 is: 3,455,442.82
Step by Step Solution
- Step 1: Write the proportion equation
4,695,556.40 : 7,048,000.20 = 2,302,103.60 : x - Step 2: Convert to fraction form
4,695,556.40/7,048,000.20 = 2,302,103.60/x - Step 3: Cross multiply
4,695,556.40x = 7,048,000.20 × 2,302,103.60 - Step 4: Simplify right side
4,695,556.40x = 16,225,226,633,220.72 - Step 5: Solve for x
x = 16,225,226,633,220.72/4,695,556.40 - Step 6: Final answer
x = 3,455,442.82
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1.5x scale
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.