Finding the Fourth Proportional to 2,832,383.12, 3,908,639.04 and 1,543,232.72
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Solution
The fourth proportional to 2,832,383.12, 3,908,639.04 and 1,543,232.72 is: 2,129,634.09
Step by Step Solution
- Step 1: Write the proportion equation
2,832,383.12 : 3,908,639.04 = 1,543,232.72 : x - Step 2: Convert to fraction form
2,832,383.12/3,908,639.04 = 1,543,232.72/x - Step 3: Cross multiply
2,832,383.12x = 3,908,639.04 × 1,543,232.72 - Step 4: Simplify right side
2,832,383.12x = 6,031,939,657,197.39 - Step 5: Solve for x
x = 6,031,939,657,197.39/2,832,383.12 - Step 6: Final answer
x = 2,129,634.09
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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.