Finding the Fourth Proportional to 1,444,789.05, 1,995,149.12 and 1,081,582.35
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Solution
The fourth proportional to 1,444,789.05, 1,995,149.12 and 1,081,582.35 is: 1,493,586.95
Step by Step Solution
- Step 1: Write the proportion equation
1,444,789.05 : 1,995,149.12 = 1,081,582.35 : x - Step 2: Convert to fraction form
1,444,789.05/1,995,149.12 = 1,081,582.35/x - Step 3: Cross multiply
1,444,789.05x = 1,995,149.12 × 1,081,582.35 - Step 4: Simplify right side
1,444,789.05x = 2,157,918,068,402.12 - Step 5: Solve for x
x = 2,157,918,068,402.12/1,444,789.05 - Step 6: Final answer
x = 1,493,586.95
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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.