Finding the Fourth Proportional to 3,972,861.34, 5,959,346.68 and 1,132,973.80
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Solution
The fourth proportional to 3,972,861.34, 5,959,346.68 and 1,132,973.80 is: 1,699,476.29
Step by Step Solution
- Step 1: Write the proportion equation
3,972,861.34 : 5,959,346.68 = 1,132,973.80 : x - Step 2: Convert to fraction form
3,972,861.34/5,959,346.68 = 1,132,973.80/x - Step 3: Cross multiply
3,972,861.34x = 5,959,346.68 × 1,132,973.80 - Step 4: Simplify right side
3,972,861.34x = 6,751,783,640,074.84 - Step 5: Solve for x
x = 6,751,783,640,074.84/3,972,861.34 - Step 6: Final answer
x = 1,699,476.29
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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.