Finding the Fourth Proportional to 2,814,405.75, 3,881,754.90 and 1,768,131.18
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Solution
The fourth proportional to 2,814,405.75, 3,881,754.90 and 1,768,131.18 is: 2,438,685.99
Step by Step Solution
- Step 1: Write the proportion equation
2,814,405.75 : 3,881,754.90 = 1,768,131.18 : x - Step 2: Convert to fraction form
2,814,405.75/3,881,754.90 = 1,768,131.18/x - Step 3: Cross multiply
2,814,405.75x = 3,881,754.90 × 1,768,131.18 - Step 4: Simplify right side
2,814,405.75x = 6,863,451,871,807.78 - Step 5: Solve for x
x = 6,863,451,871,807.78/2,814,405.75 - Step 6: Final answer
x = 2,438,685.99
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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.