Finding the Fourth Proportional to 1,582,719.65, 2,183,865.53 and 885,013.05
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Solution
The fourth proportional to 1,582,719.65, 2,183,865.53 and 885,013.05 is: 1,221,157.20
Step by Step Solution
- Step 1: Write the proportion equation
1,582,719.65 : 2,183,865.53 = 885,013.05 : x - Step 2: Convert to fraction form
1,582,719.65/2,183,865.53 = 885,013.05/x - Step 3: Cross multiply
1,582,719.65x = 2,183,865.53 × 885,013.05 - Step 4: Simplify right side
1,582,719.65x = 1,932,749,489,070.10 - Step 5: Solve for x
x = 1,932,749,489,070.10/1,582,719.65 - Step 6: Final answer
x = 1,221,157.20
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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.