Finding the Fourth Proportional to 5,165,856.70, 7,748,785.05 and 4,536,000.70
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Solution
The fourth proportional to 5,165,856.70, 7,748,785.05 and 4,536,000.70 is: 6,804,001.05
Step by Step Solution
- Step 1: Write the proportion equation
5,165,856.70 : 7,748,785.05 = 4,536,000.70 : x - Step 2: Convert to fraction form
5,165,856.70/7,748,785.05 = 4,536,000.70/x - Step 3: Cross multiply
5,165,856.70x = 7,748,785.05 × 4,536,000.70 - Step 4: Simplify right side
5,165,856.70x = 35,148,494,410,949.54 - Step 5: Solve for x
x = 35,148,494,410,949.54/5,165,856.70 - Step 6: Final answer
x = 6,804,001.05
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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.