Finding the Fourth Proportional to 1,728,511.92, 2,385,344.88 and 964,569.60
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Solution
The fourth proportional to 1,728,511.92, 2,385,344.88 and 964,569.60 is: 1,331,105.17
Step by Step Solution
- Step 1: Write the proportion equation
1,728,511.92 : 2,385,344.88 = 964,569.60 : x - Step 2: Convert to fraction form
1,728,511.92/2,385,344.88 = 964,569.60/x - Step 3: Cross multiply
1,728,511.92x = 2,385,344.88 × 964,569.60 - Step 4: Simplify right side
1,728,511.92x = 2,300,831,156,763.65 - Step 5: Solve for x
x = 2,300,831,156,763.65/1,728,511.92 - Step 6: Final answer
x = 1,331,105.17
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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.