Finding the Fourth Proportional to 5,423,126.25, 8,134,737.03 and 1,379,618.34
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Solution
The fourth proportional to 5,423,126.25, 8,134,737.03 and 1,379,618.34 is: 2,069,439.63
Step by Step Solution
- Step 1: Write the proportion equation
5,423,126.25 : 8,134,737.03 = 1,379,618.34 : x - Step 2: Convert to fraction form
5,423,126.25/8,134,737.03 = 1,379,618.34/x - Step 3: Cross multiply
5,423,126.25x = 8,134,737.03 × 1,379,618.34 - Step 4: Simplify right side
5,423,126.25x = 11,222,832,397,665.13 - Step 5: Solve for x
x = 11,222,832,397,665.13/5,423,126.25 - Step 6: Final answer
x = 2,069,439.63
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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.