Finding the Fourth Proportional to 5,012,175.28, 7,521,425.70 and 2,133,537.74
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Solution
The fourth proportional to 5,012,175.28, 7,521,425.70 and 2,133,537.74 is: 3,201,652.91
Step by Step Solution
- Step 1: Write the proportion equation
5,012,175.28 : 7,521,425.70 = 2,133,537.74 : x - Step 2: Convert to fraction form
5,012,175.28/7,521,425.70 = 2,133,537.74/x - Step 3: Cross multiply
5,012,175.28x = 7,521,425.70 × 2,133,537.74 - Step 4: Simplify right side
5,012,175.28x = 16,047,245,589,555.92 - Step 5: Solve for x
x = 16,047,245,589,555.92/5,012,175.28 - Step 6: Final answer
x = 3,201,652.91
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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.