Finding the Fourth Proportional to 6,769,122.21, 10,124,705.70 and 6,278,461.91
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Solution
The fourth proportional to 6,769,122.21, 10,124,705.70 and 6,278,461.91 is: 9,390,815.69
Step by Step Solution
- Step 1: Write the proportion equation
6,769,122.21 : 10,124,705.70 = 6,278,461.91 : x - Step 2: Convert to fraction form
6,769,122.21/10,124,705.70 = 6,278,461.91/x - Step 3: Cross multiply
6,769,122.21x = 10,124,705.70 × 6,278,461.91 - Step 4: Simplify right side
6,769,122.21x = 63,567,579,074,754.01 - Step 5: Solve for x
x = 63,567,579,074,754.01/6,769,122.21 - Step 6: Final answer
x = 9,390,815.69
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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.