Finding the Fourth Proportional to 5,378,605.26, 7,422,475.14 and 2,964,157.26
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Solution
The fourth proportional to 5,378,605.26, 7,422,475.14 and 2,964,157.26 is: 4,090,536.95
Step by Step Solution
- Step 1: Write the proportion equation
5,378,605.26 : 7,422,475.14 = 2,964,157.26 : x - Step 2: Convert to fraction form
5,378,605.26/7,422,475.14 = 2,964,157.26/x - Step 3: Cross multiply
5,378,605.26x = 7,422,475.14 × 2,964,157.26 - Step 4: Simplify right side
5,378,605.26x = 22,001,383,573,400.52 - Step 5: Solve for x
x = 22,001,383,573,400.52/5,378,605.26 - Step 6: Final answer
x = 4,090,536.95
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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.