Finding the Fourth Proportional to 2,491,655.03, 3,438,483.99 and 1,345,735.07
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Solution
The fourth proportional to 2,491,655.03, 3,438,483.99 and 1,345,735.07 is: 1,857,114.42
Step by Step Solution
- Step 1: Write the proportion equation
2,491,655.03 : 3,438,483.99 = 1,345,735.07 : x - Step 2: Convert to fraction form
2,491,655.03/3,438,483.99 = 1,345,735.07/x - Step 3: Cross multiply
2,491,655.03x = 3,438,483.99 × 1,345,735.07 - Step 4: Simplify right side
2,491,655.03x = 4,627,288,492,976.53 - Step 5: Solve for x
x = 4,627,288,492,976.53/2,491,655.03 - Step 6: Final answer
x = 1,857,114.42
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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.