Finding the Fourth Proportional to 2,091,318.08, 3,138,900.96 and 1,294,157.12
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Solution
The fourth proportional to 2,091,318.08, 3,138,900.96 and 1,294,157.12 is: 1,942,426.20
Step by Step Solution
- Step 1: Write the proportion equation
2,091,318.08 : 3,138,900.96 = 1,294,157.12 : x - Step 2: Convert to fraction form
2,091,318.08/3,138,900.96 = 1,294,157.12/x - Step 3: Cross multiply
2,091,318.08x = 3,138,900.96 × 1,294,157.12 - Step 4: Simplify right side
2,091,318.08x = 4,062,231,026,358.84 - Step 5: Solve for x
x = 4,062,231,026,358.84/2,091,318.08 - Step 6: Final answer
x = 1,942,426.20
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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.