Finding the Fourth Proportional to 3,991,501.34, 5,508,277.28 and 2,272,622.62
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Solution
The fourth proportional to 3,991,501.34, 5,508,277.28 and 2,272,622.62 is: 3,136,222.31
Step by Step Solution
- Step 1: Write the proportion equation
3,991,501.34 : 5,508,277.28 = 2,272,622.62 : x - Step 2: Convert to fraction form
3,991,501.34/5,508,277.28 = 2,272,622.62/x - Step 3: Cross multiply
3,991,501.34x = 5,508,277.28 × 2,272,622.62 - Step 4: Simplify right side
3,991,501.34x = 12,518,235,543,760.07 - Step 5: Solve for x
x = 12,518,235,543,760.07/3,991,501.34 - Step 6: Final answer
x = 3,136,222.31
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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.