Finding the Fourth Proportional to 3,271,142.76, 4,514,128.68 and 1,820,836.08
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Solution
The fourth proportional to 3,271,142.76, 4,514,128.68 and 1,820,836.08 is: 2,512,726.89
Step by Step Solution
- Step 1: Write the proportion equation
3,271,142.76 : 4,514,128.68 = 1,820,836.08 : x - Step 2: Convert to fraction form
3,271,142.76/4,514,128.68 = 1,820,836.08/x - Step 3: Cross multiply
3,271,142.76x = 4,514,128.68 × 1,820,836.08 - Step 4: Simplify right side
3,271,142.76x = 8,219,488,370,306.78 - Step 5: Solve for x
x = 8,219,488,370,306.78/3,271,142.76 - Step 6: Final answer
x = 2,512,726.89
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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.