Finding the Fourth Proportional to 1,582,922.21, 2,184,434.48 and 857,763.57
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Solution
The fourth proportional to 1,582,922.21, 2,184,434.48 and 857,763.57 is: 1,183,714.72
Step by Step Solution
- Step 1: Write the proportion equation
1,582,922.21 : 2,184,434.48 = 857,763.57 : x - Step 2: Convert to fraction form
1,582,922.21/2,184,434.48 = 857,763.57/x - Step 3: Cross multiply
1,582,922.21x = 2,184,434.48 × 857,763.57 - Step 4: Simplify right side
1,582,922.21x = 1,873,728,313,707.08 - Step 5: Solve for x
x = 1,873,728,313,707.08/1,582,922.21 - Step 6: Final answer
x = 1,183,714.72
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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.