Finding the Fourth Proportional to 3,311,953.07, 4,967,430.98 and 2,122,189.56
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Solution
The fourth proportional to 3,311,953.07, 4,967,430.98 and 2,122,189.56 is: 3,182,964.84
Step by Step Solution
- Step 1: Write the proportion equation
3,311,953.07 : 4,967,430.98 = 2,122,189.56 : x - Step 2: Convert to fraction form
3,311,953.07/4,967,430.98 = 2,122,189.56/x - Step 3: Cross multiply
3,311,953.07x = 4,967,430.98 × 2,122,189.56 - Step 4: Simplify right side
3,311,953.07x = 10,541,830,155,165.62 - Step 5: Solve for x
x = 10,541,830,155,165.62/3,311,953.07 - Step 6: Final answer
x = 3,182,964.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.