Finding the Fourth Proportional to 5,514,304.70, 8,271,457.05 and 4,097,128.70
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Solution
The fourth proportional to 5,514,304.70, 8,271,457.05 and 4,097,128.70 is: 6,145,693.05
Step by Step Solution
- Step 1: Write the proportion equation
5,514,304.70 : 8,271,457.05 = 4,097,128.70 : x - Step 2: Convert to fraction form
5,514,304.70/8,271,457.05 = 4,097,128.70/x - Step 3: Cross multiply
5,514,304.70x = 8,271,457.05 × 4,097,128.70 - Step 4: Simplify right side
5,514,304.70x = 33,889,224,070,372.34 - Step 5: Solve for x
x = 33,889,224,070,372.34/5,514,304.70 - Step 6: Final answer
x = 6,145,693.05
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Double scale
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Similar ratio
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1.5x scale
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.