Finding the Fourth Proportional to 1,493,109.12, 2,239,004.88 and 427,909.44
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Solution
The fourth proportional to 1,493,109.12, 2,239,004.88 and 427,909.44 is: 641,675.35
Step by Step Solution
- Step 1: Write the proportion equation
1,493,109.12 : 2,239,004.88 = 427,909.44 : x - Step 2: Convert to fraction form
1,493,109.12/2,239,004.88 = 427,909.44/x - Step 3: Cross multiply
1,493,109.12x = 2,239,004.88 × 427,909.44 - Step 4: Simplify right side
1,493,109.12x = 958,091,324,358.07 - Step 5: Solve for x
x = 958,091,324,358.07/1,493,109.12 - Step 6: Final answer
x = 641,675.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.