Finding the Fourth Proportional to 2,406,453.52, 3,320,730.12 and 1,318,552.24
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Solution
The fourth proportional to 2,406,453.52, 3,320,730.12 and 1,318,552.24 is: 1,819,505.80
Step by Step Solution
- Step 1: Write the proportion equation
2,406,453.52 : 3,320,730.12 = 1,318,552.24 : x - Step 2: Convert to fraction form
2,406,453.52/3,320,730.12 = 1,318,552.24/x - Step 3: Cross multiply
2,406,453.52x = 3,320,730.12 × 1,318,552.24 - Step 4: Simplify right side
2,406,453.52x = 4,378,556,138,161.47 - Step 5: Solve for x
x = 4,378,556,138,161.47/2,406,453.52 - Step 6: Final answer
x = 1,819,505.80
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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.