Finding the Fourth Proportional to 1,958,582.14, 2,702,859.18 and 1,099,345.06
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Solution
The fourth proportional to 1,958,582.14, 2,702,859.18 and 1,099,345.06 is: 1,517,105.07
Step by Step Solution
- Step 1: Write the proportion equation
1,958,582.14 : 2,702,859.18 = 1,099,345.06 : x - Step 2: Convert to fraction form
1,958,582.14/2,702,859.18 = 1,099,345.06/x - Step 3: Cross multiply
1,958,582.14x = 2,702,859.18 × 1,099,345.06 - Step 4: Simplify right side
1,958,582.14x = 2,971,374,887,408.65 - Step 5: Solve for x
x = 2,971,374,887,408.65/1,958,582.14 - Step 6: Final answer
x = 1,517,105.07
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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.