Finding the Fourth Proportional to 1,665,911.48, 2,498,867.24 and 403,739.10
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Solution
The fourth proportional to 1,665,911.48, 2,498,867.24 and 403,739.10 is: 605,608.65
Step by Step Solution
- Step 1: Write the proportion equation
1,665,911.48 : 2,498,867.24 = 403,739.10 : x - Step 2: Convert to fraction form
1,665,911.48/2,498,867.24 = 403,739.10/x - Step 3: Cross multiply
1,665,911.48x = 2,498,867.24 × 403,739.10 - Step 4: Simplify right side
1,665,911.48x = 1,008,890,410,497.08 - Step 5: Solve for x
x = 1,008,890,410,497.08/1,665,911.48 - Step 6: Final answer
x = 605,608.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.