Finding the Fourth Proportional to 4,855,833.20, 7,283,749.80 and 1,659,897.20
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Solution
The fourth proportional to 4,855,833.20, 7,283,749.80 and 1,659,897.20 is: 2,489,845.80
Step by Step Solution
- Step 1: Write the proportion equation
4,855,833.20 : 7,283,749.80 = 1,659,897.20 : x - Step 2: Convert to fraction form
4,855,833.20/7,283,749.80 = 1,659,897.20/x - Step 3: Cross multiply
4,855,833.20x = 7,283,749.80 × 1,659,897.20 - Step 4: Simplify right side
4,855,833.20x = 12,090,275,898,520.56 - Step 5: Solve for x
x = 12,090,275,898,520.56/4,855,833.20 - Step 6: Final answer
x = 2,489,845.80
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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.