Finding the Fourth Proportional to 5,733,578.99, 7,912,340.15 and 3,155,259.77
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Solution
The fourth proportional to 5,733,578.99, 7,912,340.15 and 3,155,259.77 is: 4,354,259.11
Step by Step Solution
- Step 1: Write the proportion equation
5,733,578.99 : 7,912,340.15 = 3,155,259.77 : x - Step 2: Convert to fraction form
5,733,578.99/7,912,340.15 = 3,155,259.77/x - Step 3: Cross multiply
5,733,578.99x = 7,912,340.15 × 3,155,259.77 - Step 4: Simplify right side
5,733,578.99x = 24,965,488,580,690.95 - Step 5: Solve for x
x = 24,965,488,580,690.95/5,733,578.99 - Step 6: Final answer
x = 4,354,259.11
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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.