Finding the Fourth Proportional to 1,899,415.23, 2,621,175.10 and 1,028,227.62
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Solution
The fourth proportional to 1,899,415.23, 2,621,175.10 and 1,028,227.62 is: 1,418,944.42
Step by Step Solution
- Step 1: Write the proportion equation
1,899,415.23 : 2,621,175.10 = 1,028,227.62 : x - Step 2: Convert to fraction form
1,899,415.23/2,621,175.10 = 1,028,227.62/x - Step 3: Cross multiply
1,899,415.23x = 2,621,175.10 × 1,028,227.62 - Step 4: Simplify right side
1,899,415.23x = 2,695,164,634,676.26 - Step 5: Solve for x
x = 2,695,164,634,676.26/1,899,415.23 - Step 6: Final answer
x = 1,418,944.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.