Finding the Fourth Proportional to 2,381,231.12, 3,286,189.08 and 1,334,671.50
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Solution
The fourth proportional to 2,381,231.12, 3,286,189.08 and 1,334,671.50 is: 1,841,897.19
Step by Step Solution
- Step 1: Write the proportion equation
2,381,231.12 : 3,286,189.08 = 1,334,671.50 : x - Step 2: Convert to fraction form
2,381,231.12/3,286,189.08 = 1,334,671.50/x - Step 3: Cross multiply
2,381,231.12x = 3,286,189.08 × 1,334,671.50 - Step 4: Simplify right side
2,381,231.12x = 4,385,982,908,687.22 - Step 5: Solve for x
x = 4,385,982,908,687.22/2,381,231.12 - Step 6: Final answer
x = 1,841,897.19
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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.