Finding the Fourth Proportional to 4,825,808.08, 7,238,705.98 and 1,231,575.12
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Solution
The fourth proportional to 4,825,808.08, 7,238,705.98 and 1,231,575.12 is: 1,847,361.11
Step by Step Solution
- Step 1: Write the proportion equation
4,825,808.08 : 7,238,705.98 = 1,231,575.12 : x - Step 2: Convert to fraction form
4,825,808.08/7,238,705.98 = 1,231,575.12/x - Step 3: Cross multiply
4,825,808.08x = 7,238,705.98 × 1,231,575.12 - Step 4: Simplify right side
4,825,808.08x = 8,915,010,185,963.22 - Step 5: Solve for x
x = 8,915,010,185,963.22/4,825,808.08 - Step 6: Final answer
x = 1,847,361.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.