Finding the Fourth Proportional to 5,271,305.40, 7,908,176.14 and 2,238,770.50
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Solution
The fourth proportional to 5,271,305.40, 7,908,176.14 and 2,238,770.50 is: 3,358,673.06
Step by Step Solution
- Step 1: Write the proportion equation
5,271,305.40 : 7,908,176.14 = 2,238,770.50 : x - Step 2: Convert to fraction form
5,271,305.40/7,908,176.14 = 2,238,770.50/x - Step 3: Cross multiply
5,271,305.40x = 7,908,176.14 × 2,238,770.50 - Step 4: Simplify right side
5,271,305.40x = 17,704,591,451,035.87 - Step 5: Solve for x
x = 17,704,591,451,035.87/5,271,305.40 - Step 6: Final answer
x = 3,358,673.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.