Finding the Fourth Proportional to 1,696,427.12, 2,544,639.06 and 434,252.72
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Solution
The fourth proportional to 1,696,427.12, 2,544,639.06 and 434,252.72 is: 651,378.67
Step by Step Solution
- Step 1: Write the proportion equation
1,696,427.12 : 2,544,639.06 = 434,252.72 : x - Step 2: Convert to fraction form
1,696,427.12/2,544,639.06 = 434,252.72/x - Step 3: Cross multiply
1,696,427.12x = 2,544,639.06 × 434,252.72 - Step 4: Simplify right side
1,696,427.12x = 1,105,016,433,223.24 - Step 5: Solve for x
x = 1,105,016,433,223.24/1,696,427.12 - Step 6: Final answer
x = 651,378.67
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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.