Finding the Fourth Proportional to 1,629,536.05, 2,444,397.49 and 431,427.24
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Solution
The fourth proportional to 1,629,536.05, 2,444,397.49 and 431,427.24 is: 647,165.58
Step by Step Solution
- Step 1: Write the proportion equation
1,629,536.05 : 2,444,397.49 = 431,427.24 : x - Step 2: Convert to fraction form
1,629,536.05/2,444,397.49 = 431,427.24/x - Step 3: Cross multiply
1,629,536.05x = 2,444,397.49 × 431,427.24 - Step 4: Simplify right side
1,629,536.05x = 1,054,579,648,194.50 - Step 5: Solve for x
x = 1,054,579,648,194.50/1,629,536.05 - Step 6: Final answer
x = 647,165.58
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1.5x scale
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.