Finding the Fourth Proportional to 4,030,464.48, 5,561,788.92 and 2,219,628.48
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Solution
The fourth proportional to 4,030,464.48, 5,561,788.92 and 2,219,628.48 is: 3,062,948.49
Step by Step Solution
- Step 1: Write the proportion equation
4,030,464.48 : 5,561,788.92 = 2,219,628.48 : x - Step 2: Convert to fraction form
4,030,464.48/5,561,788.92 = 2,219,628.48/x - Step 3: Cross multiply
4,030,464.48x = 5,561,788.92 × 2,219,628.48 - Step 4: Simplify right side
4,030,464.48x = 12,345,105,086,580.44 - Step 5: Solve for x
x = 12,345,105,086,580.44/4,030,464.48 - Step 6: Final answer
x = 3,062,948.49
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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.