Finding the Fourth Proportional to 2,381,138.18, 3,286,031.84 and 1,293,472
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Solution
The fourth proportional to 2,381,138.18, 3,286,031.84 and 1,293,472 is: 1,785,024.58
Step by Step Solution
- Step 1: Write the proportion equation
2,381,138.18 : 3,286,031.84 = 1,293,472 : x - Step 2: Convert to fraction form
2,381,138.18/3,286,031.84 = 1,293,472/x - Step 3: Cross multiply
2,381,138.18x = 3,286,031.84 × 1,293,472 - Step 4: Simplify right side
2,381,138.18x = 4,250,390,176,148.48 - Step 5: Solve for x
x = 4,250,390,176,148.48/2,381,138.18 - Step 6: Final answer
x = 1,785,024.58
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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.