Finding the Fourth Proportional to 1,610,905.20, 2,222,992.26 and 885,747.84
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Solution
The fourth proportional to 1,610,905.20, 2,222,992.26 and 885,747.84 is: 1,222,300.72
Step by Step Solution
- Step 1: Write the proportion equation
1,610,905.20 : 2,222,992.26 = 885,747.84 : x - Step 2: Convert to fraction form
1,610,905.20/2,222,992.26 = 885,747.84/x - Step 3: Cross multiply
1,610,905.20x = 2,222,992.26 × 885,747.84 - Step 4: Simplify right side
1,610,905.20x = 1,969,010,592,631.72 - Step 5: Solve for x
x = 1,969,010,592,631.72/1,610,905.20 - Step 6: Final answer
x = 1,222,300.72
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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.