Finding the Fourth Proportional to 1,447,748.47, 2,171,639.42 and 436,879.18
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Solution
The fourth proportional to 1,447,748.47, 2,171,639.42 and 436,879.18 is: 655,323.81
Step by Step Solution
- Step 1: Write the proportion equation
1,447,748.47 : 2,171,639.42 = 436,879.18 : x - Step 2: Convert to fraction form
1,447,748.47/2,171,639.42 = 436,879.18/x - Step 3: Cross multiply
1,447,748.47x = 2,171,639.42 × 436,879.18 - Step 4: Simplify right side
1,447,748.47x = 948,744,049,065.28 - Step 5: Solve for x
x = 948,744,049,065.28/1,447,748.47 - Step 6: Final answer
x = 655,323.81
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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.