Finding the Fourth Proportional to 2,227,212.64, 3,073,561.50 and 1,208,617.12
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Solution
The fourth proportional to 2,227,212.64, 3,073,561.50 and 1,208,617.12 is: 1,667,896.00
Step by Step Solution
- Step 1: Write the proportion equation
2,227,212.64 : 3,073,561.50 = 1,208,617.12 : x - Step 2: Convert to fraction form
2,227,212.64/3,073,561.50 = 1,208,617.12/x - Step 3: Cross multiply
2,227,212.64x = 3,073,561.50 × 1,208,617.12 - Step 4: Simplify right side
2,227,212.64x = 3,714,759,048,272.88 - Step 5: Solve for x
x = 3,714,759,048,272.88/2,227,212.64 - Step 6: Final answer
x = 1,667,896.00
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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.