Finding the Fourth Proportional to 5,336,215.82, 7,363,944.05 and 2,888,809.05
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Solution
The fourth proportional to 5,336,215.82, 7,363,944.05 and 2,888,809.05 is: 3,986,538.20
Step by Step Solution
- Step 1: Write the proportion equation
5,336,215.82 : 7,363,944.05 = 2,888,809.05 : x - Step 2: Convert to fraction form
5,336,215.82/7,363,944.05 = 2,888,809.05/x - Step 3: Cross multiply
5,336,215.82x = 7,363,944.05 × 2,888,809.05 - Step 4: Simplify right side
5,336,215.82x = 21,273,028,200,889.61 - Step 5: Solve for x
x = 21,273,028,200,889.61/5,336,215.82 - Step 6: Final answer
x = 3,986,538.20
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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.