Finding the Fourth Proportional to 2,154,052.18, 2,972,708.94 and 1,236,273.99
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Solution
The fourth proportional to 2,154,052.18, 2,972,708.94 and 1,236,273.99 is: 1,706,125.22
Step by Step Solution
- Step 1: Write the proportion equation
2,154,052.18 : 2,972,708.94 = 1,236,273.99 : x - Step 2: Convert to fraction form
2,154,052.18/2,972,708.94 = 1,236,273.99/x - Step 3: Cross multiply
2,154,052.18x = 2,972,708.94 × 1,236,273.99 - Step 4: Simplify right side
2,154,052.18x = 3,675,082,742,362.47 - Step 5: Solve for x
x = 3,675,082,742,362.47/2,154,052.18 - Step 6: Final answer
x = 1,706,125.22
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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.