Finding the Fourth Proportional to 1,664,581.86, 2,297,130.84 and 939,460.14
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Solution
The fourth proportional to 1,664,581.86, 2,297,130.84 and 939,460.14 is: 1,296,459.44
Step by Step Solution
- Step 1: Write the proportion equation
1,664,581.86 : 2,297,130.84 = 939,460.14 : x - Step 2: Convert to fraction form
1,664,581.86/2,297,130.84 = 939,460.14/x - Step 3: Cross multiply
1,664,581.86x = 2,297,130.84 × 939,460.14 - Step 4: Simplify right side
1,664,581.86x = 2,158,062,860,544.72 - Step 5: Solve for x
x = 2,158,062,860,544.72/1,664,581.86 - Step 6: Final answer
x = 1,296,459.44
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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.