Finding the Fourth Proportional to 2,517,879.51, 3,777,935.67 and 1,319,516.91
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Solution
The fourth proportional to 2,517,879.51, 3,777,935.67 and 1,319,516.91 is: 1,979,860.43
Step by Step Solution
- Step 1: Write the proportion equation
2,517,879.51 : 3,777,935.67 = 1,319,516.91 : x - Step 2: Convert to fraction form
2,517,879.51/3,777,935.67 = 1,319,516.91/x - Step 3: Cross multiply
2,517,879.51x = 3,777,935.67 × 1,319,516.91 - Step 4: Simplify right side
2,517,879.51x = 4,985,050,001,457.18 - Step 5: Solve for x
x = 4,985,050,001,457.18/2,517,879.51 - Step 6: Final answer
x = 1,979,860.43
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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.