Finding the Fourth Proportional to 4,020,736.68, 5,548,659.48 and 2,185,195.14
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Solution
The fourth proportional to 4,020,736.68, 5,548,659.48 and 2,185,195.14 is: 3,015,592.59
Step by Step Solution
- Step 1: Write the proportion equation
4,020,736.68 : 5,548,659.48 = 2,185,195.14 : x - Step 2: Convert to fraction form
4,020,736.68/5,548,659.48 = 2,185,195.14/x - Step 3: Cross multiply
4,020,736.68x = 5,548,659.48 × 2,185,195.14 - Step 4: Simplify right side
4,020,736.68x = 12,124,903,729,210.93 - Step 5: Solve for x
x = 12,124,903,729,210.93/4,020,736.68 - Step 6: Final answer
x = 3,015,592.59
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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.