Finding the Fourth Proportional to 5,011,673.96, 7,512,236.70 and 3,191,422.76
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Solution
The fourth proportional to 5,011,673.96, 7,512,236.70 and 3,191,422.76 is: 4,783,775.52
Step by Step Solution
- Step 1: Write the proportion equation
5,011,673.96 : 7,512,236.70 = 3,191,422.76 : x - Step 2: Convert to fraction form
5,011,673.96/7,512,236.70 = 3,191,422.76/x - Step 3: Cross multiply
5,011,673.96x = 7,512,236.70 × 3,191,422.76 - Step 4: Simplify right side
5,011,673.96x = 23,974,723,182,887.29 - Step 5: Solve for x
x = 23,974,723,182,887.29/5,011,673.96 - Step 6: Final answer
x = 4,783,775.52
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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.