Finding the Fourth Proportional to 3,685,950.18, 5,086,866.69 and 2,235,706.74
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Solution
The fourth proportional to 3,685,950.18, 5,086,866.69 and 2,235,706.74 is: 3,085,430.24
Step by Step Solution
- Step 1: Write the proportion equation
3,685,950.18 : 5,086,866.69 = 2,235,706.74 : x - Step 2: Convert to fraction form
3,685,950.18/5,086,866.69 = 2,235,706.74/x - Step 3: Cross multiply
3,685,950.18x = 5,086,866.69 × 2,235,706.74 - Step 4: Simplify right side
3,685,950.18x = 11,372,742,144,314.49 - Step 5: Solve for x
x = 11,372,742,144,314.49/3,685,950.18 - Step 6: Final answer
x = 3,085,430.24
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.