Finding the Fourth Proportional to 4,261,968.60, 6,396,581.70 and 1,739,434.20
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Solution
The fourth proportional to 4,261,968.60, 6,396,581.70 and 1,739,434.20 is: 2,610,632.32
Step by Step Solution
- Step 1: Write the proportion equation
4,261,968.60 : 6,396,581.70 = 1,739,434.20 : x - Step 2: Convert to fraction form
4,261,968.60/6,396,581.70 = 1,739,434.20/x - Step 3: Cross multiply
4,261,968.60x = 6,396,581.70 × 1,739,434.20 - Step 4: Simplify right side
4,261,968.60x = 11,126,432,972,074.14 - Step 5: Solve for x
x = 11,126,432,972,074.14/4,261,968.60 - Step 6: Final answer
x = 2,610,632.32
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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.