Finding the Fourth Proportional to 5,380,739.72, 7,425,478.26 and 2,966,378.12
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Solution
The fourth proportional to 5,380,739.72, 7,425,478.26 and 2,966,378.12 is: 4,093,633.48
Step by Step Solution
- Step 1: Write the proportion equation
5,380,739.72 : 7,425,478.26 = 2,966,378.12 : x - Step 2: Convert to fraction form
5,380,739.72/7,425,478.26 = 2,966,378.12/x - Step 3: Cross multiply
5,380,739.72x = 7,425,478.26 × 2,966,378.12 - Step 4: Simplify right side
5,380,739.72x = 22,026,776,240,999.67 - Step 5: Solve for x
x = 22,026,776,240,999.67/5,380,739.72 - Step 6: Final answer
x = 4,093,633.48
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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.