Finding the Fourth Proportional to 4,656,979.12, 6,985,470.26 and 2,095,202.20
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Solution
The fourth proportional to 4,656,979.12, 6,985,470.26 and 2,095,202.20 is: 3,142,804.01
Step by Step Solution
- Step 1: Write the proportion equation
4,656,979.12 : 6,985,470.26 = 2,095,202.20 : x - Step 2: Convert to fraction form
4,656,979.12/6,985,470.26 = 2,095,202.20/x - Step 3: Cross multiply
4,656,979.12x = 6,985,470.26 × 2,095,202.20 - Step 4: Simplify right side
4,656,979.12x = 14,635,972,656,786.57 - Step 5: Solve for x
x = 14,635,972,656,786.57/4,656,979.12 - Step 6: Final answer
x = 3,142,804.01
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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.