Finding the Fourth Proportional to 2,081,749.10, 3,121,356.45 and 818,062.70
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Solution
The fourth proportional to 2,081,749.10, 3,121,356.45 and 818,062.70 is: 1,226,596.08
Step by Step Solution
- Step 1: Write the proportion equation
2,081,749.10 : 3,121,356.45 = 818,062.70 : x - Step 2: Convert to fraction form
2,081,749.10/3,121,356.45 = 818,062.70/x - Step 3: Cross multiply
2,081,749.10x = 3,121,356.45 × 818,062.70 - Step 4: Simplify right side
2,081,749.10x = 2,553,465,285,149.42 - Step 5: Solve for x
x = 2,553,465,285,149.42/2,081,749.10 - Step 6: Final answer
x = 1,226,596.08
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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.