Finding the Fourth Proportional to 4,747,356.26, 7,121,034.47 and 1,153,098.99
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Solution
The fourth proportional to 4,747,356.26, 7,121,034.47 and 1,153,098.99 is: 1,729,648.50
Step by Step Solution
- Step 1: Write the proportion equation
4,747,356.26 : 7,121,034.47 = 1,153,098.99 : x - Step 2: Convert to fraction form
4,747,356.26/7,121,034.47 = 1,153,098.99/x - Step 3: Cross multiply
4,747,356.26x = 7,121,034.47 × 1,153,098.99 - Step 4: Simplify right side
4,747,356.26x = 8,211,257,619,507.01 - Step 5: Solve for x
x = 8,211,257,619,507.01/4,747,356.26 - Step 6: Final answer
x = 1,729,648.50
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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.