Finding the Fourth Proportional to 2,862,835.75, 3,950,721.57 and 1,639,160.11
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Solution
The fourth proportional to 2,862,835.75, 3,950,721.57 and 1,639,160.11 is: 2,262,045.67
Step by Step Solution
- Step 1: Write the proportion equation
2,862,835.75 : 3,950,721.57 = 1,639,160.11 : x - Step 2: Convert to fraction form
2,862,835.75/3,950,721.57 = 1,639,160.11/x - Step 3: Cross multiply
2,862,835.75x = 3,950,721.57 × 1,639,160.11 - Step 4: Simplify right side
2,862,835.75x = 6,475,865,203,260.57 - Step 5: Solve for x
x = 6,475,865,203,260.57/2,862,835.75 - Step 6: Final answer
x = 2,262,045.67
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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.