Finding the Fourth Proportional to 3,973,872.76, 5,961,235.62 and 1,699,633.36
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Solution
The fourth proportional to 3,973,872.76, 5,961,235.62 and 1,699,633.36 is: 2,549,632.45
Step by Step Solution
- Step 1: Write the proportion equation
3,973,872.76 : 5,961,235.62 = 1,699,633.36 : x - Step 2: Convert to fraction form
3,973,872.76/5,961,235.62 = 1,699,633.36/x - Step 3: Cross multiply
3,973,872.76x = 5,961,235.62 × 1,699,633.36 - Step 4: Simplify right side
3,973,872.76x = 10,131,914,926,572.28 - Step 5: Solve for x
x = 10,131,914,926,572.28/3,973,872.76 - Step 6: Final answer
x = 2,549,632.45
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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.