Finding the Fourth Proportional to 1,885,455.66, 2,603,230.56 and 1,764,995.70
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Solution
The fourth proportional to 1,885,455.66, 2,603,230.56 and 1,764,995.70 is: 2,436,912.65
Step by Step Solution
- Step 1: Write the proportion equation
1,885,455.66 : 2,603,230.56 = 1,764,995.70 : x - Step 2: Convert to fraction form
1,885,455.66/2,603,230.56 = 1,764,995.70/x - Step 3: Cross multiply
1,885,455.66x = 2,603,230.56 × 1,764,995.70 - Step 4: Simplify right side
1,885,455.66x = 4,594,690,744,508.59 - Step 5: Solve for x
x = 4,594,690,744,508.59/1,885,455.66 - Step 6: Final answer
x = 2,436,912.65
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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.