Finding the Fourth Proportional to 1,936,960.29, 2,666,920.75 and 1,645,958.07
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Solution
The fourth proportional to 1,936,960.29, 2,666,920.75 and 1,645,958.07 is: 2,266,251.79
Step by Step Solution
- Step 1: Write the proportion equation
1,936,960.29 : 2,666,920.75 = 1,645,958.07 : x - Step 2: Convert to fraction form
1,936,960.29/2,666,920.75 = 1,645,958.07/x - Step 3: Cross multiply
1,936,960.29x = 2,666,920.75 × 1,645,958.07 - Step 4: Simplify right side
1,936,960.29x = 4,389,639,726,398.06 - Step 5: Solve for x
x = 4,389,639,726,398.06/1,936,960.29 - Step 6: Final answer
x = 2,266,251.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.