Finding the Fourth Proportional to 4,158,910.80, 6,238,366.20 and 2,871,205.20
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Solution
The fourth proportional to 4,158,910.80, 6,238,366.20 and 2,871,205.20 is: 4,306,807.80
Step by Step Solution
- Step 1: Write the proportion equation
4,158,910.80 : 6,238,366.20 = 2,871,205.20 : x - Step 2: Convert to fraction form
4,158,910.80/6,238,366.20 = 2,871,205.20/x - Step 3: Cross multiply
4,158,910.80x = 6,238,366.20 × 2,871,205.20 - Step 4: Simplify right side
4,158,910.80x = 17,911,629,472,944.24 - Step 5: Solve for x
x = 17,911,629,472,944.24/4,158,910.80 - Step 6: Final answer
x = 4,306,807.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.