Finding the Fourth Proportional to 4,905,489.92, 6,765,756 and 4,182,736.64
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Solution
The fourth proportional to 4,905,489.92, 6,765,756 and 4,182,736.64 is: 5,768,919.31
Step by Step Solution
- Step 1: Write the proportion equation
4,905,489.92 : 6,765,756 = 4,182,736.64 : x - Step 2: Convert to fraction form
4,905,489.92/6,765,756 = 4,182,736.64/x - Step 3: Cross multiply
4,905,489.92x = 6,765,756 × 4,182,736.64 - Step 4: Simplify right side
4,905,489.92x = 28,299,375,518,499.84 - Step 5: Solve for x
x = 28,299,375,518,499.84/4,905,489.92 - Step 6: Final answer
x = 5,768,919.31
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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.