Finding the Fourth Proportional to 4,157,313.20, 6,235,969.80 and 2,738,970.80
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Solution
The fourth proportional to 4,157,313.20, 6,235,969.80 and 2,738,970.80 is: 4,108,456.20
Step by Step Solution
- Step 1: Write the proportion equation
4,157,313.20 : 6,235,969.80 = 2,738,970.80 : x - Step 2: Convert to fraction form
4,157,313.20/6,235,969.80 = 2,738,970.80/x - Step 3: Cross multiply
4,157,313.20x = 6,235,969.80 × 2,738,970.80 - Step 4: Simplify right side
4,157,313.20x = 17,080,139,191,881.84 - Step 5: Solve for x
x = 17,080,139,191,881.84/4,157,313.20 - Step 6: Final answer
x = 4,108,456.20
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1.5x scale
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.