Finding the Fourth Proportional to 4,103,879.49, 6,156,128.67 and 1,225,018.95
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Solution
The fourth proportional to 4,103,879.49, 6,156,128.67 and 1,225,018.95 is: 1,837,620.79
Step by Step Solution
- Step 1: Write the proportion equation
4,103,879.49 : 6,156,128.67 = 1,225,018.95 : x - Step 2: Convert to fraction form
4,103,879.49/6,156,128.67 = 1,225,018.95/x - Step 3: Cross multiply
4,103,879.49x = 6,156,128.67 × 1,225,018.95 - Step 4: Simplify right side
4,103,879.49x = 7,541,374,279,388.30 - Step 5: Solve for x
x = 7,541,374,279,388.30/4,103,879.49 - Step 6: Final answer
x = 1,837,620.79
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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.