Finding the Fourth Proportional to 1,582,547.68, 2,183,917.91 and 857,395.43
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Solution
The fourth proportional to 1,582,547.68, 2,183,917.91 and 857,395.43 is: 1,183,206.84
Step by Step Solution
- Step 1: Write the proportion equation
1,582,547.68 : 2,183,917.91 = 857,395.43 : x - Step 2: Convert to fraction form
1,582,547.68/2,183,917.91 = 857,395.43/x - Step 3: Cross multiply
1,582,547.68x = 2,183,917.91 × 857,395.43 - Step 4: Simplify right side
1,582,547.68x = 1,872,481,235,529.15 - Step 5: Solve for x
x = 1,872,481,235,529.15/1,582,547.68 - Step 6: Final answer
x = 1,183,206.84
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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.