Finding the Fourth Proportional to 6,825,898.56, 10,239,460.20 and 1,777,252.80
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Solution
The fourth proportional to 6,825,898.56, 10,239,460.20 and 1,777,252.80 is: 2,666,038.64
Step by Step Solution
- Step 1: Write the proportion equation
6,825,898.56 : 10,239,460.20 = 1,777,252.80 : x - Step 2: Convert to fraction form
6,825,898.56/10,239,460.20 = 1,777,252.80/x - Step 3: Cross multiply
6,825,898.56x = 10,239,460.20 × 1,777,252.80 - Step 4: Simplify right side
6,825,898.56x = 18,198,109,310,938.56 - Step 5: Solve for x
x = 18,198,109,310,938.56/6,825,898.56 - Step 6: Final answer
x = 2,666,038.64
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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.