Finding the Fourth Proportional to 2,265,548.68, 3,126,391.86 and 1,246,931.56
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Solution
The fourth proportional to 2,265,548.68, 3,126,391.86 and 1,246,931.56 is: 1,720,729.60
Step by Step Solution
- Step 1: Write the proportion equation
2,265,548.68 : 3,126,391.86 = 1,246,931.56 : x - Step 2: Convert to fraction form
2,265,548.68/3,126,391.86 = 1,246,931.56/x - Step 3: Cross multiply
2,265,548.68x = 3,126,391.86 × 1,246,931.56 - Step 4: Simplify right side
2,265,548.68x = 3,898,396,679,161.10 - Step 5: Solve for x
x = 3,898,396,679,161.10/2,265,548.68 - Step 6: Final answer
x = 1,720,729.60
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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.