Finding the Fourth Proportional to 5,322,414.32, 7,344,934.80 and 2,875,025.36
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Solution
The fourth proportional to 5,322,414.32, 7,344,934.80 and 2,875,025.36 is: 3,967,536.64
Step by Step Solution
- Step 1: Write the proportion equation
5,322,414.32 : 7,344,934.80 = 2,875,025.36 : x - Step 2: Convert to fraction form
5,322,414.32/7,344,934.80 = 2,875,025.36/x - Step 3: Cross multiply
5,322,414.32x = 7,344,934.80 × 2,875,025.36 - Step 4: Simplify right side
5,322,414.32x = 21,116,873,817,546.53 - Step 5: Solve for x
x = 21,116,873,817,546.53/5,322,414.32 - Step 6: Final answer
x = 3,967,536.64
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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.