Finding the Fourth Proportional to 5,753,232.12, 7,939,650.98 and 3,139,879.21
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Solution
The fourth proportional to 5,753,232.12, 7,939,650.98 and 3,139,879.21 is: 4,333,137.36
Step by Step Solution
- Step 1: Write the proportion equation
5,753,232.12 : 7,939,650.98 = 3,139,879.21 : x - Step 2: Convert to fraction form
5,753,232.12/7,939,650.98 = 3,139,879.21/x - Step 3: Cross multiply
5,753,232.12x = 7,939,650.98 × 3,139,879.21 - Step 4: Simplify right side
5,753,232.12x = 24,929,545,034,758.70 - Step 5: Solve for x
x = 24,929,545,034,758.70/5,753,232.12 - Step 6: Final answer
x = 4,333,137.36
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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.