Finding the Fourth Proportional to 1,560,144.44, 2,152,988.61 and 871,817.99
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Solution
The fourth proportional to 1,560,144.44, 2,152,988.61 and 871,817.99 is: 1,203,102.83
Step by Step Solution
- Step 1: Write the proportion equation
1,560,144.44 : 2,152,988.61 = 871,817.99 : x - Step 2: Convert to fraction form
1,560,144.44/2,152,988.61 = 871,817.99/x - Step 3: Cross multiply
1,560,144.44x = 2,152,988.61 × 871,817.99 - Step 4: Simplify right side
1,560,144.44x = 1,877,014,191,698.15 - Step 5: Solve for x
x = 1,877,014,191,698.15/1,560,144.44 - Step 6: Final answer
x = 1,203,102.83
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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.