Finding the Fourth Proportional to 2,132,619.91, 3,198,929.87 and 712,675.99
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Solution
The fourth proportional to 2,132,619.91, 3,198,929.87 and 712,675.99 is: 1,069,013.99
Step by Step Solution
- Step 1: Write the proportion equation
2,132,619.91 : 3,198,929.87 = 712,675.99 : x - Step 2: Convert to fraction form
2,132,619.91/3,198,929.87 = 712,675.99/x - Step 3: Cross multiply
2,132,619.91x = 3,198,929.87 × 712,675.99 - Step 4: Simplify right side
2,132,619.91x = 2,279,800,505,827.19 - Step 5: Solve for x
x = 2,279,800,505,827.19/2,132,619.91 - Step 6: Final answer
x = 1,069,013.99
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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.