Finding the Fourth Proportional to 2,680,981.67, 4,021,437.47 and 659,243.09
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Solution
The fourth proportional to 2,680,981.67, 4,021,437.47 and 659,243.09 is: 988,856.01
Step by Step Solution
- Step 1: Write the proportion equation
2,680,981.67 : 4,021,437.47 = 659,243.09 : x - Step 2: Convert to fraction form
2,680,981.67/4,021,437.47 = 659,243.09/x - Step 3: Cross multiply
2,680,981.67x = 4,021,437.47 × 659,243.09 - Step 4: Simplify right side
2,680,981.67x = 2,651,104,840,561.18 - Step 5: Solve for x
x = 2,651,104,840,561.18/2,680,981.67 - Step 6: Final answer
x = 988,856.01
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1.5x scale
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.