Finding the Fourth Proportional to 2,201,711.70, 3,302,403.53 and 921,988.65
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Solution
The fourth proportional to 2,201,711.70, 3,302,403.53 and 921,988.65 is: 1,382,914.29
Step by Step Solution
- Step 1: Write the proportion equation
2,201,711.70 : 3,302,403.53 = 921,988.65 : x - Step 2: Convert to fraction form
2,201,711.70/3,302,403.53 = 921,988.65/x - Step 3: Cross multiply
2,201,711.70x = 3,302,403.53 × 921,988.65 - Step 4: Simplify right side
2,201,711.70x = 3,044,778,567,769.99 - Step 5: Solve for x
x = 3,044,778,567,769.99/2,201,711.70 - Step 6: Final answer
x = 1,382,914.29
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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.