Finding the Fourth Proportional to 3,016,538.29, 4,162,773.09 and 1,639,916.20
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Solution
The fourth proportional to 3,016,538.29, 4,162,773.09 and 1,639,916.20 is: 2,263,057.31
Step by Step Solution
- Step 1: Write the proportion equation
3,016,538.29 : 4,162,773.09 = 1,639,916.20 : x - Step 2: Convert to fraction form
3,016,538.29/4,162,773.09 = 1,639,916.20/x - Step 3: Cross multiply
3,016,538.29x = 4,162,773.09 × 1,639,916.20 - Step 4: Simplify right side
3,016,538.29x = 6,826,599,027,215.06 - Step 5: Solve for x
x = 6,826,599,027,215.06/3,016,538.29 - Step 6: Final answer
x = 2,263,057.31
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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.