Finding the Fourth Proportional to 5,519,528.40, 8,278,710.24 and 1,476,424.20
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Solution
The fourth proportional to 5,519,528.40, 8,278,710.24 and 1,476,424.20 is: 2,214,480.52
Step by Step Solution
- Step 1: Write the proportion equation
5,519,528.40 : 8,278,710.24 = 1,476,424.20 : x - Step 2: Convert to fraction form
5,519,528.40/8,278,710.24 = 1,476,424.20/x - Step 3: Cross multiply
5,519,528.40x = 8,278,710.24 × 1,476,424.20 - Step 4: Simplify right side
5,519,528.40x = 12,222,888,143,123.81 - Step 5: Solve for x
x = 12,222,888,143,123.81/5,519,528.40 - Step 6: Final answer
x = 2,214,480.52
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1.5x scale
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.