Finding the Fourth Proportional to 1,725,120.52, 2,381,072.00 and 1,072,239.62
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Solution
The fourth proportional to 1,725,120.52, 2,381,072.00 and 1,072,239.62 is: 1,479,942.82
Step by Step Solution
- Step 1: Write the proportion equation
1,725,120.52 : 2,381,072.00 = 1,072,239.62 : x - Step 2: Convert to fraction form
1,725,120.52/2,381,072.00 = 1,072,239.62/x - Step 3: Cross multiply
1,725,120.52x = 2,381,072.00 × 1,072,239.62 - Step 4: Simplify right side
1,725,120.52x = 2,553,079,719,206.08 - Step 5: Solve for x
x = 2,553,079,719,206.08/1,725,120.52 - Step 6: Final answer
x = 1,479,942.82
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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.