Finding the Fourth Proportional to 5,115,765.29, 7,669,108.93 and 1,876,557.87
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Solution
The fourth proportional to 5,115,765.29, 7,669,108.93 and 1,876,557.87 is: 2,813,171.81
Step by Step Solution
- Step 1: Write the proportion equation
5,115,765.29 : 7,669,108.93 = 1,876,557.87 : x - Step 2: Convert to fraction form
5,115,765.29/7,669,108.93 = 1,876,557.87/x - Step 3: Cross multiply
5,115,765.29x = 7,669,108.93 × 1,876,557.87 - Step 4: Simplify right side
5,115,765.29x = 14,391,526,680,133.23 - Step 5: Solve for x
x = 14,391,526,680,133.23/5,115,765.29 - Step 6: Final answer
x = 2,813,171.81
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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.