Finding the Fourth Proportional to 1,921,242.18, 2,651,227.08 and 1,186,524.99
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Solution
The fourth proportional to 1,921,242.18, 2,651,227.08 and 1,186,524.99 is: 1,637,350.68
Step by Step Solution
- Step 1: Write the proportion equation
1,921,242.18 : 2,651,227.08 = 1,186,524.99 : x - Step 2: Convert to fraction form
1,921,242.18/2,651,227.08 = 1,186,524.99/x - Step 3: Cross multiply
1,921,242.18x = 2,651,227.08 × 1,186,524.99 - Step 4: Simplify right side
1,921,242.18x = 3,145,747,184,584.73 - Step 5: Solve for x
x = 3,145,747,184,584.73/1,921,242.18 - Step 6: Final answer
x = 1,637,350.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.