Finding the Fourth Proportional to 7,753,578.26, 11,630,370.12 and 3,488,764.23
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Solution
The fourth proportional to 7,753,578.26, 11,630,370.12 and 3,488,764.23 is: 5,233,147.58
Step by Step Solution
- Step 1: Write the proportion equation
7,753,578.26 : 11,630,370.12 = 3,488,764.23 : x - Step 2: Convert to fraction form
7,753,578.26/11,630,370.12 = 3,488,764.23/x - Step 3: Cross multiply
7,753,578.26x = 11,630,370.12 × 3,488,764.23 - Step 4: Simplify right side
7,753,578.26x = 40,575,619,243,233.95 - Step 5: Solve for x
x = 40,575,619,243,233.95/7,753,578.26 - Step 6: Final answer
x = 5,233,147.58
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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.