Finding the Fourth Proportional to 1,711,110.12, 2,566,658.19 and 431,720.58
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Solution
The fourth proportional to 1,711,110.12, 2,566,658.19 and 431,720.58 is: 647,579.11
Step by Step Solution
- Step 1: Write the proportion equation
1,711,110.12 : 2,566,658.19 = 431,720.58 : x - Step 2: Convert to fraction form
1,711,110.12/2,566,658.19 = 431,720.58/x - Step 3: Cross multiply
1,711,110.12x = 2,566,658.19 × 431,720.58 - Step 4: Simplify right side
1,711,110.12x = 1,108,079,162,448.55 - Step 5: Solve for x
x = 1,108,079,162,448.55/1,711,110.12 - Step 6: Final answer
x = 647,579.11
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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.