Finding the Fourth Proportional to 3,898,345.39, 5,379,443.53 and 2,266,636.99
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Solution
The fourth proportional to 3,898,345.39, 5,379,443.53 and 2,266,636.99 is: 3,127,800.25
Step by Step Solution
- Step 1: Write the proportion equation
3,898,345.39 : 5,379,443.53 = 2,266,636.99 : x - Step 2: Convert to fraction form
3,898,345.39/5,379,443.53 = 2,266,636.99/x - Step 3: Cross multiply
3,898,345.39x = 5,379,443.53 × 2,266,636.99 - Step 4: Simplify right side
3,898,345.39x = 12,193,245,694,435.26 - Step 5: Solve for x
x = 12,193,245,694,435.26/3,898,345.39 - Step 6: Final answer
x = 3,127,800.25
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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.