Finding the Fourth Proportional to 1,970,182.38, 2,718,855.26 and 1,110,740.56
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Solution
The fourth proportional to 1,970,182.38, 2,718,855.26 and 1,110,740.56 is: 1,532,823.99
Step by Step Solution
- Step 1: Write the proportion equation
1,970,182.38 : 2,718,855.26 = 1,110,740.56 : x - Step 2: Convert to fraction form
1,970,182.38/2,718,855.26 = 1,110,740.56/x - Step 3: Cross multiply
1,970,182.38x = 2,718,855.26 × 1,110,740.56 - Step 4: Simplify right side
1,970,182.38x = 3,019,942,808,497.64 - Step 5: Solve for x
x = 3,019,942,808,497.64/1,970,182.38 - Step 6: Final answer
x = 1,532,823.99
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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.