Finding the Fourth Proportional to 6,295,067.66, 8,687,765.68 and 3,578,807.18
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Solution
The fourth proportional to 6,295,067.66, 8,687,765.68 and 3,578,807.18 is: 4,939,079.27
Step by Step Solution
- Step 1: Write the proportion equation
6,295,067.66 : 8,687,765.68 = 3,578,807.18 : x - Step 2: Convert to fraction form
6,295,067.66/8,687,765.68 = 3,578,807.18/x - Step 3: Cross multiply
6,295,067.66x = 8,687,765.68 × 3,578,807.18 - Step 4: Simplify right side
6,295,067.66x = 31,091,838,141,355.73 - Step 5: Solve for x
x = 31,091,838,141,355.73/6,295,067.66 - Step 6: Final answer
x = 4,939,079.27
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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.