Finding the Fourth Proportional to 1,489,277.72, 2,055,212.18 and 810,219.08
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Solution
The fourth proportional to 1,489,277.72, 2,055,212.18 and 810,219.08 is: 1,118,107.18
Step by Step Solution
- Step 1: Write the proportion equation
1,489,277.72 : 2,055,212.18 = 810,219.08 : x - Step 2: Convert to fraction form
1,489,277.72/2,055,212.18 = 810,219.08/x - Step 3: Cross multiply
1,489,277.72x = 2,055,212.18 × 810,219.08 - Step 4: Simplify right side
1,489,277.72x = 1,665,172,107,357.24 - Step 5: Solve for x
x = 1,665,172,107,357.24/1,489,277.72 - Step 6: Final answer
x = 1,118,107.18
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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.