Finding the Fourth Proportional to 4,331,491.36, 6,466,236.20 and 3,764,776.48
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Solution
The fourth proportional to 4,331,491.36, 6,466,236.20 and 3,764,776.48 is: 5,620,219.91
Step by Step Solution
- Step 1: Write the proportion equation
4,331,491.36 : 6,466,236.20 = 3,764,776.48 : x - Step 2: Convert to fraction form
4,331,491.36/6,466,236.20 = 3,764,776.48/x - Step 3: Cross multiply
4,331,491.36x = 6,466,236.20 × 3,764,776.48 - Step 4: Simplify right side
4,331,491.36x = 24,343,933,959,884.58 - Step 5: Solve for x
x = 24,343,933,959,884.58/4,331,491.36 - Step 6: Final answer
x = 5,620,219.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.