Finding the Fourth Proportional to 2,381,156.19, 3,286,054.80 and 1,293,427.44
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Solution
The fourth proportional to 2,381,156.19, 3,286,054.80 and 1,293,427.44 is: 1,784,962.06
Step by Step Solution
- Step 1: Write the proportion equation
2,381,156.19 : 3,286,054.80 = 1,293,427.44 : x - Step 2: Convert to fraction form
2,381,156.19/3,286,054.80 = 1,293,427.44/x - Step 3: Cross multiply
2,381,156.19x = 3,286,054.80 × 1,293,427.44 - Step 4: Simplify right side
2,381,156.19x = 4,250,273,447,663.71 - Step 5: Solve for x
x = 4,250,273,447,663.71/2,381,156.19 - Step 6: Final answer
x = 1,784,962.06
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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.