Finding the Fourth Proportional to 6,916,645.40, 10,376,523.30 and 2,124,555.80
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Solution
The fourth proportional to 6,916,645.40, 10,376,523.30 and 2,124,555.80 is: 3,187,311.40
Step by Step Solution
- Step 1: Write the proportion equation
6,916,645.40 : 10,376,523.30 = 2,124,555.80 : x - Step 2: Convert to fraction form
6,916,645.40/10,376,523.30 = 2,124,555.80/x - Step 3: Cross multiply
6,916,645.40x = 10,376,523.30 × 2,124,555.80 - Step 4: Simplify right side
6,916,645.40x = 22,045,502,760,850.14 - Step 5: Solve for x
x = 22,045,502,760,850.14/6,916,645.40 - Step 6: Final answer
x = 3,187,311.40
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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.