Finding the Fourth Proportional to 1,912,730.96, 2,639,511 and 1,053,295.88
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Solution
The fourth proportional to 1,912,730.96, 2,639,511 and 1,053,295.88 is: 1,453,516.53
Step by Step Solution
- Step 1: Write the proportion equation
1,912,730.96 : 2,639,511 = 1,053,295.88 : x - Step 2: Convert to fraction form
1,912,730.96/2,639,511 = 1,053,295.88/x - Step 3: Cross multiply
1,912,730.96x = 2,639,511 × 1,053,295.88 - Step 4: Simplify right side
1,912,730.96x = 2,780,186,061,514.68 - Step 5: Solve for x
x = 2,780,186,061,514.68/1,912,730.96 - Step 6: Final answer
x = 1,453,516.53
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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.