Finding the Fourth Proportional to 2,862,836.76, 3,950,722.96 and 1,639,161.12
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Solution
The fourth proportional to 2,862,836.76, 3,950,722.96 and 1,639,161.12 is: 2,262,047.06
Step by Step Solution
- Step 1: Write the proportion equation
2,862,836.76 : 3,950,722.96 = 1,639,161.12 : x - Step 2: Convert to fraction form
2,862,836.76/3,950,722.96 = 1,639,161.12/x - Step 3: Cross multiply
2,862,836.76x = 3,950,722.96 × 1,639,161.12 - Step 4: Simplify right side
2,862,836.76x = 6,475,871,471,923.32 - Step 5: Solve for x
x = 6,475,871,471,923.32/2,862,836.76 - Step 6: Final answer
x = 2,262,047.06
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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.