Finding the Fourth Proportional to 1,874,811.36, 2,812,362.84 and 612,766.56
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Solution
The fourth proportional to 1,874,811.36, 2,812,362.84 and 612,766.56 is: 919,197.49
Step by Step Solution
- Step 1: Write the proportion equation
1,874,811.36 : 2,812,362.84 = 612,766.56 : x - Step 2: Convert to fraction form
1,874,811.36/2,812,362.84 = 612,766.56/x - Step 3: Cross multiply
1,874,811.36x = 2,812,362.84 × 612,766.56 - Step 4: Simplify right side
1,874,811.36x = 1,723,321,902,938.63 - Step 5: Solve for x
x = 1,723,321,902,938.63/1,874,811.36 - Step 6: Final answer
x = 919,197.49
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1.5x scale
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.