Finding the Fourth Proportional to 1,388,341.76, 2,082,773.34 and 630,236.44
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Solution
The fourth proportional to 1,388,341.76, 2,082,773.34 and 630,236.44 is: 945,472.99
Step by Step Solution
- Step 1: Write the proportion equation
1,388,341.76 : 2,082,773.34 = 630,236.44 : x - Step 2: Convert to fraction form
1,388,341.76/2,082,773.34 = 630,236.44/x - Step 3: Cross multiply
1,388,341.76x = 2,082,773.34 × 630,236.44 - Step 4: Simplify right side
1,388,341.76x = 1,312,639,641,563.46 - Step 5: Solve for x
x = 1,312,639,641,563.46/1,388,341.76 - Step 6: Final answer
x = 945,472.99
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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.