Finding the Fourth Proportional to 5,388,189.12, 8,083,800 and 2,355,821.28
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Solution
The fourth proportional to 5,388,189.12, 8,083,800 and 2,355,821.28 is: 3,534,394.88
Step by Step Solution
- Step 1: Write the proportion equation
5,388,189.12 : 8,083,800 = 2,355,821.28 : x - Step 2: Convert to fraction form
5,388,189.12/8,083,800 = 2,355,821.28/x - Step 3: Cross multiply
5,388,189.12x = 8,083,800 × 2,355,821.28 - Step 4: Simplify right side
5,388,189.12x = 19,043,988,063,264 - Step 5: Solve for x
x = 19,043,988,063,264/5,388,189.12 - Step 6: Final answer
x = 3,534,394.88
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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.