Finding the Fourth Proportional to 2,538,512.13, 3,503,126.01 and 1,376,955.48
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Solution
The fourth proportional to 2,538,512.13, 3,503,126.01 and 1,376,955.48 is: 1,900,187.32
Step by Step Solution
- Step 1: Write the proportion equation
2,538,512.13 : 3,503,126.01 = 1,376,955.48 : x - Step 2: Convert to fraction form
2,538,512.13/3,503,126.01 = 1,376,955.48/x - Step 3: Cross multiply
2,538,512.13x = 3,503,126.01 × 1,376,955.48 - Step 4: Simplify right side
2,538,512.13x = 4,823,648,556,600.03 - Step 5: Solve for x
x = 4,823,648,556,600.03/2,538,512.13 - Step 6: Final answer
x = 1,900,187.32
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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.