Finding the Fourth Proportional to 4,098,964.80, 6,138,605.70 and 2,201,523.60
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Solution
The fourth proportional to 4,098,964.80, 6,138,605.70 and 2,201,523.60 is: 3,296,999.60
Step by Step Solution
- Step 1: Write the proportion equation
4,098,964.80 : 6,138,605.70 = 2,201,523.60 : x - Step 2: Convert to fraction form
4,098,964.80/6,138,605.70 = 2,201,523.60/x - Step 3: Cross multiply
4,098,964.80x = 6,138,605.70 × 2,201,523.60 - Step 4: Simplify right side
4,098,964.80x = 13,514,285,319,644.52 - Step 5: Solve for x
x = 13,514,285,319,644.52/4,098,964.80 - Step 6: Final answer
x = 3,296,999.60
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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.