Finding the Fourth Proportional to 1,561,991.20, 2,340,312.20 and 852,517.08
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Solution
The fourth proportional to 1,561,991.20, 2,340,312.20 and 852,517.08 is: 1,277,315.85
Step by Step Solution
- Step 1: Write the proportion equation
1,561,991.20 : 2,340,312.20 = 852,517.08 : x - Step 2: Convert to fraction form
1,561,991.20/2,340,312.20 = 852,517.08/x - Step 3: Cross multiply
1,561,991.20x = 2,340,312.20 × 852,517.08 - Step 4: Simplify right side
1,561,991.20x = 1,995,156,123,032.38 - Step 5: Solve for x
x = 1,995,156,123,032.38/1,561,991.20 - Step 6: Final answer
x = 1,277,315.85
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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.