Finding the Fourth Proportional to 1,447,119.36, 2,170,780.68 and 436,249.86
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Solution
The fourth proportional to 1,447,119.36, 2,170,780.68 and 436,249.86 is: 654,405.43
Step by Step Solution
- Step 1: Write the proportion equation
1,447,119.36 : 2,170,780.68 = 436,249.86 : x - Step 2: Convert to fraction form
1,447,119.36/2,170,780.68 = 436,249.86/x - Step 3: Cross multiply
1,447,119.36x = 2,170,780.68 × 436,249.86 - Step 4: Simplify right side
1,447,119.36x = 947,002,767,740.71 - Step 5: Solve for x
x = 947,002,767,740.71/1,447,119.36 - Step 6: Final answer
x = 654,405.43
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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.