Finding the Fourth Proportional to 3,135,859.97, 4,329,341.85 and 1,975,301.08
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Solution
The fourth proportional to 3,135,859.97, 4,329,341.85 and 1,975,301.08 is: 2,727,084.02
Step by Step Solution
- Step 1: Write the proportion equation
3,135,859.97 : 4,329,341.85 = 1,975,301.08 : x - Step 2: Convert to fraction form
3,135,859.97/4,329,341.85 = 1,975,301.08/x - Step 3: Cross multiply
3,135,859.97x = 4,329,341.85 × 1,975,301.08 - Step 4: Simplify right side
3,135,859.97x = 8,551,753,600,470.98 - Step 5: Solve for x
x = 8,551,753,600,470.98/3,135,859.97 - Step 6: Final answer
x = 2,727,084.02
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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.