Finding the Fourth Proportional to 1,582,441.31, 2,183,769.92 and 857,294.08
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Solution
The fourth proportional to 1,582,441.31, 2,183,769.92 and 857,294.08 is: 1,183,066.32
Step by Step Solution
- Step 1: Write the proportion equation
1,582,441.31 : 2,183,769.92 = 857,294.08 : x - Step 2: Convert to fraction form
1,582,441.31/2,183,769.92 = 857,294.08/x - Step 3: Cross multiply
1,582,441.31x = 2,183,769.92 × 857,294.08 - Step 4: Simplify right side
1,582,441.31x = 1,872,133,021,181.88 - Step 5: Solve for x
x = 1,872,133,021,181.88/1,582,441.31 - Step 6: Final answer
x = 1,183,066.32
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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.