Finding the Fourth Proportional to 6,295,067.56, 8,687,765.55 and 3,578,807.08
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Solution
The fourth proportional to 6,295,067.56, 8,687,765.55 and 3,578,807.08 is: 4,939,079.14
Step by Step Solution
- Step 1: Write the proportion equation
6,295,067.56 : 8,687,765.55 = 3,578,807.08 : x - Step 2: Convert to fraction form
6,295,067.56/8,687,765.55 = 3,578,807.08/x - Step 3: Cross multiply
6,295,067.56x = 8,687,765.55 × 3,578,807.08 - Step 4: Simplify right side
6,295,067.56x = 31,091,836,863,869.54 - Step 5: Solve for x
x = 31,091,836,863,869.54/6,295,067.56 - Step 6: Final answer
x = 4,939,079.14
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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.