Finding the Fourth Proportional to 2,862,805.13, 3,950,679.28 and 1,639,129.42
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Solution
The fourth proportional to 2,862,805.13, 3,950,679.28 and 1,639,129.42 is: 2,262,003.29
Step by Step Solution
- Step 1: Write the proportion equation
2,862,805.13 : 3,950,679.28 = 1,639,129.42 : x - Step 2: Convert to fraction form
2,862,805.13/3,950,679.28 = 1,639,129.42/x - Step 3: Cross multiply
2,862,805.13x = 3,950,679.28 × 1,639,129.42 - Step 4: Simplify right side
2,862,805.13x = 6,475,674,622,857.90 - Step 5: Solve for x
x = 6,475,674,622,857.90/2,862,805.13 - Step 6: Final answer
x = 2,262,003.29
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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.