Finding the Fourth Proportional to 3,898,289.42, 5,847,835.12 and 1,471,486.80
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Solution
The fourth proportional to 3,898,289.42, 5,847,835.12 and 1,471,486.80 is: 2,207,381.56
Step by Step Solution
- Step 1: Write the proportion equation
3,898,289.42 : 5,847,835.12 = 1,471,486.80 : x - Step 2: Convert to fraction form
3,898,289.42/5,847,835.12 = 1,471,486.80/x - Step 3: Cross multiply
3,898,289.42x = 5,847,835.12 × 1,471,486.80 - Step 4: Simplify right side
3,898,289.42x = 8,605,012,187,656.42 - Step 5: Solve for x
x = 8,605,012,187,656.42/3,898,289.42 - Step 6: Final answer
x = 2,207,381.56
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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.