Finding the Fourth Proportional to 2,125,169.28, 2,932,734.70 and 1,207,400.04
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Solution
The fourth proportional to 2,125,169.28, 2,932,734.70 and 1,207,400.04 is: 1,666,212.68
Step by Step Solution
- Step 1: Write the proportion equation
2,125,169.28 : 2,932,734.70 = 1,207,400.04 : x - Step 2: Convert to fraction form
2,125,169.28/2,932,734.70 = 1,207,400.04/x - Step 3: Cross multiply
2,125,169.28x = 2,932,734.70 × 1,207,400.04 - Step 4: Simplify right side
2,125,169.28x = 3,540,983,994,089.39 - Step 5: Solve for x
x = 3,540,983,994,089.39/2,125,169.28 - Step 6: Final answer
x = 1,666,212.68
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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.