Finding the Fourth Proportional to 2,862,804.38, 3,950,678.24 and 1,639,128.67
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Solution
The fourth proportional to 2,862,804.38, 3,950,678.24 and 1,639,128.67 is: 2,262,002.26
Step by Step Solution
- Step 1: Write the proportion equation
2,862,804.38 : 3,950,678.24 = 1,639,128.67 : x - Step 2: Convert to fraction form
2,862,804.38/3,950,678.24 = 1,639,128.67/x - Step 3: Cross multiply
2,862,804.38x = 3,950,678.24 × 1,639,128.67 - Step 4: Simplify right side
2,862,804.38x = 6,475,669,957,203.53 - Step 5: Solve for x
x = 6,475,669,957,203.53/2,862,804.38 - Step 6: Final answer
x = 2,262,002.26
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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.