Finding the Fourth Proportional to 1,582,536.45, 2,183,897.37 and 857,402.19
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Solution
The fourth proportional to 1,582,536.45, 2,183,897.37 and 857,402.19 is: 1,183,213.43
Step by Step Solution
- Step 1: Write the proportion equation
1,582,536.45 : 2,183,897.37 = 857,402.19 : x - Step 2: Convert to fraction form
1,582,536.45/2,183,897.37 = 857,402.19/x - Step 3: Cross multiply
1,582,536.45x = 2,183,897.37 × 857,402.19 - Step 4: Simplify right side
1,582,536.45x = 1,872,478,387,773.24 - Step 5: Solve for x
x = 1,872,478,387,773.24/1,582,536.45 - Step 6: Final answer
x = 1,183,213.43
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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.