Finding the Fourth Proportional to 4,820,393.82, 6,652,351.76 and 2,886,285.14
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Solution
The fourth proportional to 4,820,393.82, 6,652,351.76 and 2,886,285.14 is: 3,983,198.21
Step by Step Solution
- Step 1: Write the proportion equation
4,820,393.82 : 6,652,351.76 = 2,886,285.14 : x - Step 2: Convert to fraction form
4,820,393.82/6,652,351.76 = 2,886,285.14/x - Step 3: Cross multiply
4,820,393.82x = 6,652,351.76 × 2,886,285.14 - Step 4: Simplify right side
4,820,393.82x = 19,200,584,030,940.85 - Step 5: Solve for x
x = 19,200,584,030,940.85/4,820,393.82 - Step 6: Final answer
x = 3,983,198.21
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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.