Finding the Fourth Proportional to 5,423,944.68, 8,087,995.80 and 5,375,262.06
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Solution
The fourth proportional to 5,423,944.68, 8,087,995.80 and 5,375,262.06 is: 8,015,401.99
Step by Step Solution
- Step 1: Write the proportion equation
5,423,944.68 : 8,087,995.80 = 5,375,262.06 : x - Step 2: Convert to fraction form
5,423,944.68/8,087,995.80 = 5,375,262.06/x - Step 3: Cross multiply
5,423,944.68x = 8,087,995.80 × 5,375,262.06 - Step 4: Simplify right side
5,423,944.68x = 43,475,096,965,179.34 - Step 5: Solve for x
x = 43,475,096,965,179.34/5,423,944.68 - Step 6: Final answer
x = 8,015,401.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.