Finding the Fourth Proportional to 2,743,582.70, 3,785,460.14 and 1,582,384.12
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Solution
The fourth proportional to 2,743,582.70, 3,785,460.14 and 1,582,384.12 is: 2,183,295.59
Step by Step Solution
- Step 1: Write the proportion equation
2,743,582.70 : 3,785,460.14 = 1,582,384.12 : x - Step 2: Convert to fraction form
2,743,582.70/3,785,460.14 = 1,582,384.12/x - Step 3: Cross multiply
2,743,582.70x = 3,785,460.14 × 1,582,384.12 - Step 4: Simplify right side
2,743,582.70x = 5,990,052,006,921.29 - Step 5: Solve for x
x = 5,990,052,006,921.29/2,743,582.70 - Step 6: Final answer
x = 2,183,295.59
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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.