Finding the Fourth Proportional to 4,585,390.10, 6,878,085.15 and 4,514,531.30
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Solution
The fourth proportional to 4,585,390.10, 6,878,085.15 and 4,514,531.30 is: 6,771,796.95
Step by Step Solution
- Step 1: Write the proportion equation
4,585,390.10 : 6,878,085.15 = 4,514,531.30 : x - Step 2: Convert to fraction form
4,585,390.10/6,878,085.15 = 4,514,531.30/x - Step 3: Cross multiply
4,585,390.10x = 6,878,085.15 × 4,514,531.30 - Step 4: Simplify right side
4,585,390.10x = 31,051,330,693,740.20 - Step 5: Solve for x
x = 31,051,330,693,740.20/4,585,390.10 - Step 6: Final answer
x = 6,771,796.95
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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.