Finding the Fourth Proportional to 2,538,463.48, 3,503,062.26 and 1,376,905.07
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Solution
The fourth proportional to 2,538,463.48, 3,503,062.26 and 1,376,905.07 is: 1,900,119.60
Step by Step Solution
- Step 1: Write the proportion equation
2,538,463.48 : 3,503,062.26 = 1,376,905.07 : x - Step 2: Convert to fraction form
2,538,463.48/3,503,062.26 = 1,376,905.07/x - Step 3: Cross multiply
2,538,463.48x = 3,503,062.26 × 1,376,905.07 - Step 4: Simplify right side
2,538,463.48x = 4,823,384,195,077.31 - Step 5: Solve for x
x = 4,823,384,195,077.31/2,538,463.48 - Step 6: Final answer
x = 1,900,119.60
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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.