Finding the Fourth Proportional to 2,132,621.91, 3,198,932.87 and 712,677.99
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Solution
The fourth proportional to 2,132,621.91, 3,198,932.87 and 712,677.99 is: 1,069,016.99
Step by Step Solution
- Step 1: Write the proportion equation
2,132,621.91 : 3,198,932.87 = 712,677.99 : x - Step 2: Convert to fraction form
2,132,621.91/3,198,932.87 = 712,677.99/x - Step 3: Cross multiply
2,132,621.91x = 3,198,932.87 × 712,677.99 - Step 4: Simplify right side
2,132,621.91x = 2,279,809,047,936.53 - Step 5: Solve for x
x = 2,279,809,047,936.53/2,132,621.91 - Step 6: Final answer
x = 1,069,016.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.