Finding the Fourth Proportional to 3,898,289.67, 5,847,835.50 and 1,471,487.05
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Solution
The fourth proportional to 3,898,289.67, 5,847,835.50 and 1,471,487.05 is: 2,207,381.94
Step by Step Solution
- Step 1: Write the proportion equation
3,898,289.67 : 5,847,835.50 = 1,471,487.05 : x - Step 2: Convert to fraction form
3,898,289.67/5,847,835.50 = 1,471,487.05/x - Step 3: Cross multiply
3,898,289.67x = 5,847,835.50 × 1,471,487.05 - Step 4: Simplify right side
3,898,289.67x = 8,605,014,201,422.84 - Step 5: Solve for x
x = 8,605,014,201,422.84/3,898,289.67 - Step 6: Final answer
x = 2,207,381.94
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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.