Finding the Fourth Proportional to 5,390,610.12, 7,439,694.36 and 3,068,067.36
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Solution
The fourth proportional to 5,390,610.12, 7,439,694.36 and 3,068,067.36 is: 4,234,304.27
Step by Step Solution
- Step 1: Write the proportion equation
5,390,610.12 : 7,439,694.36 = 3,068,067.36 : x - Step 2: Convert to fraction form
5,390,610.12/7,439,694.36 = 3,068,067.36/x - Step 3: Cross multiply
5,390,610.12x = 7,439,694.36 × 3,068,067.36 - Step 4: Simplify right side
5,390,610.12x = 22,825,483,434,292.09 - Step 5: Solve for x
x = 22,825,483,434,292.09/5,390,610.12 - Step 6: Final answer
x = 4,234,304.27
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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.