Finding the Fourth Proportional to 2,263,189.77, 3,122,965.68 and 1,296,360.81
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Solution
The fourth proportional to 2,263,189.77, 3,122,965.68 and 1,296,360.81 is: 1,788,842.62
Step by Step Solution
- Step 1: Write the proportion equation
2,263,189.77 : 3,122,965.68 = 1,296,360.81 : x - Step 2: Convert to fraction form
2,263,189.77/3,122,965.68 = 1,296,360.81/x - Step 3: Cross multiply
2,263,189.77x = 3,122,965.68 × 1,296,360.81 - Step 4: Simplify right side
2,263,189.77x = 4,048,490,318,527.00 - Step 5: Solve for x
x = 4,048,490,318,527.00/2,263,189.77 - Step 6: Final answer
x = 1,788,842.62
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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.