Finding the Fourth Proportional to 2,888,761.35, 3,986,441.94 and 1,599,574.05
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Solution
The fourth proportional to 2,888,761.35, 3,986,441.94 and 1,599,574.05 is: 2,207,385.21
Step by Step Solution
- Step 1: Write the proportion equation
2,888,761.35 : 3,986,441.94 = 1,599,574.05 : x - Step 2: Convert to fraction form
2,888,761.35/3,986,441.94 = 1,599,574.05/x - Step 3: Cross multiply
2,888,761.35x = 3,986,441.94 × 1,599,574.05 - Step 4: Simplify right side
2,888,761.35x = 6,376,609,079,055.66 - Step 5: Solve for x
x = 6,376,609,079,055.66/2,888,761.35 - Step 6: Final answer
x = 2,207,385.21
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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.