Finding the Fourth Proportional to 4,042,661.40, 6,063,992.10 and 2,690,439.30
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Solution
The fourth proportional to 4,042,661.40, 6,063,992.10 and 2,690,439.30 is: 4,035,658.95
Step by Step Solution
- Step 1: Write the proportion equation
4,042,661.40 : 6,063,992.10 = 2,690,439.30 : x - Step 2: Convert to fraction form
4,042,661.40/6,063,992.10 = 2,690,439.30/x - Step 3: Cross multiply
4,042,661.40x = 6,063,992.10 × 2,690,439.30 - Step 4: Simplify right side
4,042,661.40x = 16,314,802,660,729.53 - Step 5: Solve for x
x = 16,314,802,660,729.53/4,042,661.40 - Step 6: Final answer
x = 4,035,658.95
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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.