Finding the Fourth Proportional to 2,016,197.74, 2,780,483.94 and 1,471,470.70
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Solution
The fourth proportional to 2,016,197.74, 2,780,483.94 and 1,471,470.70 is: 2,029,265.57
Step by Step Solution
- Step 1: Write the proportion equation
2,016,197.74 : 2,780,483.94 = 1,471,470.70 : x - Step 2: Convert to fraction form
2,016,197.74/2,780,483.94 = 1,471,470.70/x - Step 3: Cross multiply
2,016,197.74x = 2,780,483.94 × 1,471,470.70 - Step 4: Simplify right side
2,016,197.74x = 4,091,400,649,530.56 - Step 5: Solve for x
x = 4,091,400,649,530.56/2,016,197.74 - Step 6: Final answer
x = 2,029,265.57
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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.