Finding the Fourth Proportional to 1,946,149.96, 2,919,237.24 and 1,276,485.10
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Solution
The fourth proportional to 1,946,149.96, 2,919,237.24 and 1,276,485.10 is: 1,914,735.72
Step by Step Solution
- Step 1: Write the proportion equation
1,946,149.96 : 2,919,237.24 = 1,276,485.10 : x - Step 2: Convert to fraction form
1,946,149.96/2,919,237.24 = 1,276,485.10/x - Step 3: Cross multiply
1,946,149.96x = 2,919,237.24 × 1,276,485.10 - Step 4: Simplify right side
1,946,149.96x = 3,726,362,840,225.12 - Step 5: Solve for x
x = 3,726,362,840,225.12/1,946,149.96 - Step 6: Final answer
x = 1,914,735.72
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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.