Finding the Fourth Proportional to 1,514,782.66, 2,090,524.98 and 861,613.24
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Solution
The fourth proportional to 1,514,782.66, 2,090,524.98 and 861,613.24 is: 1,189,097.32
Step by Step Solution
- Step 1: Write the proportion equation
1,514,782.66 : 2,090,524.98 = 861,613.24 : x - Step 2: Convert to fraction form
1,514,782.66/2,090,524.98 = 861,613.24/x - Step 3: Cross multiply
1,514,782.66x = 2,090,524.98 × 861,613.24 - Step 4: Simplify right side
1,514,782.66x = 1,801,224,001,318.74 - Step 5: Solve for x
x = 1,801,224,001,318.74/1,514,782.66 - Step 6: Final answer
x = 1,189,097.32
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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.