Finding the Fourth Proportional to 2,888,432.87, 3,986,161.76 and 1,599,273.05
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Solution
The fourth proportional to 2,888,432.87, 3,986,161.76 and 1,599,273.05 is: 2,207,065.68
Step by Step Solution
- Step 1: Write the proportion equation
2,888,432.87 : 3,986,161.76 = 1,599,273.05 : x - Step 2: Convert to fraction form
2,888,432.87/3,986,161.76 = 1,599,273.05/x - Step 3: Cross multiply
2,888,432.87x = 3,986,161.76 × 1,599,273.05 - Step 4: Simplify right side
2,888,432.87x = 6,374,961,067,712.20 - Step 5: Solve for x
x = 6,374,961,067,712.20/2,888,432.87 - Step 6: Final answer
x = 2,207,065.68
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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.