Finding the Fourth Proportional to 3,580,715.14, 4,941,449.76 and 1,949,169.40
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Solution
The fourth proportional to 3,580,715.14, 4,941,449.76 and 1,949,169.40 is: 2,689,887.99
Step by Step Solution
- Step 1: Write the proportion equation
3,580,715.14 : 4,941,449.76 = 1,949,169.40 : x - Step 2: Convert to fraction form
3,580,715.14/4,941,449.76 = 1,949,169.40/x - Step 3: Cross multiply
3,580,715.14x = 4,941,449.76 × 1,949,169.40 - Step 4: Simplify right side
3,580,715.14x = 9,631,722,663,829.34 - Step 5: Solve for x
x = 9,631,722,663,829.34/3,580,715.14 - Step 6: Final answer
x = 2,689,887.99
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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.