Finding the Fourth Proportional to 1,783,492.80, 2,675,239.20 and 986,331.30
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Solution
The fourth proportional to 1,783,492.80, 2,675,239.20 and 986,331.30 is: 1,479,496.95
Step by Step Solution
- Step 1: Write the proportion equation
1,783,492.80 : 2,675,239.20 = 986,331.30 : x - Step 2: Convert to fraction form
1,783,492.80/2,675,239.20 = 986,331.30/x - Step 3: Cross multiply
1,783,492.80x = 2,675,239.20 × 986,331.30 - Step 4: Simplify right side
1,783,492.80x = 2,638,672,157,946.96 - Step 5: Solve for x
x = 2,638,672,157,946.96/1,783,492.80 - Step 6: Final answer
x = 1,479,496.95
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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.