Finding the Fourth Proportional to 1,560,239.70, 2,153,089.14 and 871,916.92
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Solution
The fourth proportional to 1,560,239.70, 2,153,089.14 and 871,916.92 is: 1,203,222.08
Step by Step Solution
- Step 1: Write the proportion equation
1,560,239.70 : 2,153,089.14 = 871,916.92 : x - Step 2: Convert to fraction form
1,560,239.70/2,153,089.14 = 871,916.92/x - Step 3: Cross multiply
1,560,239.70x = 2,153,089.14 × 871,916.92 - Step 4: Simplify right side
1,560,239.70x = 1,877,314,851,434.25 - Step 5: Solve for x
x = 1,877,314,851,434.25/1,560,239.70 - Step 6: Final answer
x = 1,203,222.08
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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.