Finding the Fourth Proportional to 1,876,645.08, 2,815,842.42 and 1,118,455.92
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Solution
The fourth proportional to 1,876,645.08, 2,815,842.42 and 1,118,455.92 is: 1,678,205.25
Step by Step Solution
- Step 1: Write the proportion equation
1,876,645.08 : 2,815,842.42 = 1,118,455.92 : x - Step 2: Convert to fraction form
1,876,645.08/2,815,842.42 = 1,118,455.92/x - Step 3: Cross multiply
1,876,645.08x = 2,815,842.42 × 1,118,455.92 - Step 4: Simplify right side
1,876,645.08x = 3,149,395,624,436.13 - Step 5: Solve for x
x = 3,149,395,624,436.13/1,876,645.08 - Step 6: Final answer
x = 1,678,205.25
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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.