Finding the Fourth Proportional to 3,726,518.10, 5,590,958.13 and 1,330,309.62
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Solution
The fourth proportional to 3,726,518.10, 5,590,958.13 and 1,330,309.62 is: 1,995,886.02
Step by Step Solution
- Step 1: Write the proportion equation
3,726,518.10 : 5,590,958.13 = 1,330,309.62 : x - Step 2: Convert to fraction form
3,726,518.10/5,590,958.13 = 1,330,309.62/x - Step 3: Cross multiply
3,726,518.10x = 5,590,958.13 × 1,330,309.62 - Step 4: Simplify right side
3,726,518.10x = 7,437,705,385,356.21 - Step 5: Solve for x
x = 7,437,705,385,356.21/3,726,518.10 - Step 6: Final answer
x = 1,995,886.02
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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.