Finding the Fourth Proportional to 2,457,395.32, 3,683,197.79 and 1,107,978.05
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Solution
The fourth proportional to 2,457,395.32, 3,683,197.79 and 1,107,978.05 is: 1,660,661.70
Step by Step Solution
- Step 1: Write the proportion equation
2,457,395.32 : 3,683,197.79 = 1,107,978.05 : x - Step 2: Convert to fraction form
2,457,395.32/3,683,197.79 = 1,107,978.05/x - Step 3: Cross multiply
2,457,395.32x = 3,683,197.79 × 1,107,978.05 - Step 4: Simplify right side
2,457,395.32x = 4,080,902,281,172.63 - Step 5: Solve for x
x = 4,080,902,281,172.63/2,457,395.32 - Step 6: Final answer
x = 1,660,661.70
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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.