Finding the Fourth Proportional to 1,485,818.96, 2,050,372.68 and 806,739.92
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Solution
The fourth proportional to 1,485,818.96, 2,050,372.68 and 806,739.92 is: 1,113,269.88
Step by Step Solution
- Step 1: Write the proportion equation
1,485,818.96 : 2,050,372.68 = 806,739.92 : x - Step 2: Convert to fraction form
1,485,818.96/2,050,372.68 = 806,739.92/x - Step 3: Cross multiply
1,485,818.96x = 2,050,372.68 × 806,739.92 - Step 4: Simplify right side
1,485,818.96x = 1,654,117,491,833.39 - Step 5: Solve for x
x = 1,654,117,491,833.39/1,485,818.96 - Step 6: Final answer
x = 1,113,269.88
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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.