Finding the Fourth Proportional to 2,862,806.13, 3,950,680.66 and 1,639,130.42
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Solution
The fourth proportional to 2,862,806.13, 3,950,680.66 and 1,639,130.42 is: 2,262,004.67
Step by Step Solution
- Step 1: Write the proportion equation
2,862,806.13 : 3,950,680.66 = 1,639,130.42 : x - Step 2: Convert to fraction form
2,862,806.13/3,950,680.66 = 1,639,130.42/x - Step 3: Cross multiply
2,862,806.13x = 3,950,680.66 × 1,639,130.42 - Step 4: Simplify right side
2,862,806.13x = 6,475,680,835,537.15 - Step 5: Solve for x
x = 6,475,680,835,537.15/2,862,806.13 - Step 6: Final answer
x = 2,262,004.67
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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.