Finding the Fourth Proportional to 1,560,299.63, 2,153,221.45 and 871,982.99
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Solution
The fourth proportional to 1,560,299.63, 2,153,221.45 and 871,982.99 is: 1,203,340.97
Step by Step Solution
- Step 1: Write the proportion equation
1,560,299.63 : 2,153,221.45 = 871,982.99 : x - Step 2: Convert to fraction form
1,560,299.63/2,153,221.45 = 871,982.99/x - Step 3: Cross multiply
1,560,299.63x = 2,153,221.45 × 871,982.99 - Step 4: Simplify right side
1,560,299.63x = 1,877,572,467,337.03 - Step 5: Solve for x
x = 1,877,572,467,337.03/1,560,299.63 - Step 6: Final answer
x = 1,203,340.97
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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.