Finding the Fourth Proportional to 1,600,613.93, 2,208,917.99 and 921,769.13
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Solution
The fourth proportional to 1,600,613.93, 2,208,917.99 and 921,769.13 is: 1,272,082.15
Step by Step Solution
- Step 1: Write the proportion equation
1,600,613.93 : 2,208,917.99 = 921,769.13 : x - Step 2: Convert to fraction form
1,600,613.93/2,208,917.99 = 921,769.13/x - Step 3: Cross multiply
1,600,613.93x = 2,208,917.99 × 921,769.13 - Step 4: Simplify right side
1,600,613.93x = 2,036,112,413,883.65 - Step 5: Solve for x
x = 2,036,112,413,883.65/1,600,613.93 - Step 6: Final answer
x = 1,272,082.15
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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.