Finding the Fourth Proportional to 1,423,589.68, 2,134,945.10 and 412,786.14
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Solution
The fourth proportional to 1,423,589.68, 2,134,945.10 and 412,786.14 is: 619,051.80
Step by Step Solution
- Step 1: Write the proportion equation
1,423,589.68 : 2,134,945.10 = 412,786.14 : x - Step 2: Convert to fraction form
1,423,589.68/2,134,945.10 = 412,786.14/x - Step 3: Cross multiply
1,423,589.68x = 2,134,945.10 × 412,786.14 - Step 4: Simplify right side
1,423,589.68x = 881,275,746,940.91 - Step 5: Solve for x
x = 881,275,746,940.91/1,423,589.68 - Step 6: Final answer
x = 619,051.80
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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.