Finding the Fourth Proportional to 1,489,782.08, 2,055,891.48 and 810,723.44
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Solution
The fourth proportional to 1,489,782.08, 2,055,891.48 and 810,723.44 is: 1,118,794.11
Step by Step Solution
- Step 1: Write the proportion equation
1,489,782.08 : 2,055,891.48 = 810,723.44 : x - Step 2: Convert to fraction form
1,489,782.08/2,055,891.48 = 810,723.44/x - Step 3: Cross multiply
1,489,782.08x = 2,055,891.48 × 810,723.44 - Step 4: Simplify right side
1,489,782.08x = 1,666,759,412,932.29 - Step 5: Solve for x
x = 1,666,759,412,932.29/1,489,782.08 - Step 6: Final answer
x = 1,118,794.11
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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.