Finding the Fourth Proportional to 5,514,389.70, 8,271,584.55 and 2,680,037.70
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Solution
The fourth proportional to 5,514,389.70, 8,271,584.55 and 2,680,037.70 is: 4,020,056.55
Step by Step Solution
- Step 1: Write the proportion equation
5,514,389.70 : 8,271,584.55 = 2,680,037.70 : x - Step 2: Convert to fraction form
5,514,389.70/8,271,584.55 = 2,680,037.70/x - Step 3: Cross multiply
5,514,389.70x = 8,271,584.55 × 2,680,037.70 - Step 4: Simplify right side
5,514,389.70x = 22,168,158,432,737.54 - Step 5: Solve for x
x = 22,168,158,432,737.54/5,514,389.70 - Step 6: Final answer
x = 4,020,056.55
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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.