Finding the Fourth Proportional to 4,483,979.35, 6,185,129.75 and 3,195,236.14
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Solution
The fourth proportional to 4,483,979.35, 6,185,129.75 and 3,195,236.14 is: 4,407,457.88
Step by Step Solution
- Step 1: Write the proportion equation
4,483,979.35 : 6,185,129.75 = 3,195,236.14 : x - Step 2: Convert to fraction form
4,483,979.35/6,185,129.75 = 3,195,236.14/x - Step 3: Cross multiply
4,483,979.35x = 6,185,129.75 × 3,195,236.14 - Step 4: Simplify right side
4,483,979.35x = 19,762,950,107,789.16 - Step 5: Solve for x
x = 19,762,950,107,789.16/4,483,979.35 - Step 6: Final answer
x = 4,407,457.88
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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.