Finding the Fourth Proportional to 5,095,342.28, 7,031,765.76 and 2,920,305.17
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Solution
The fourth proportional to 5,095,342.28, 7,031,765.76 and 2,920,305.17 is: 4,030,131.98
Step by Step Solution
- Step 1: Write the proportion equation
5,095,342.28 : 7,031,765.76 = 2,920,305.17 : x - Step 2: Convert to fraction form
5,095,342.28/7,031,765.76 = 2,920,305.17/x - Step 3: Cross multiply
5,095,342.28x = 7,031,765.76 × 2,920,305.17 - Step 4: Simplify right side
5,095,342.28x = 20,534,901,870,231.57 - Step 5: Solve for x
x = 20,534,901,870,231.57/5,095,342.28 - Step 6: Final answer
x = 4,030,131.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.