Finding the Fourth Proportional to 5,122,404.46, 7,684,935.12 and 2,724,277.18
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Solution
The fourth proportional to 5,122,404.46, 7,684,935.12 and 2,724,277.18 is: 4,087,122.28
Step by Step Solution
- Step 1: Write the proportion equation
5,122,404.46 : 7,684,935.12 = 2,724,277.18 : x - Step 2: Convert to fraction form
5,122,404.46/7,684,935.12 = 2,724,277.18/x - Step 3: Cross multiply
5,122,404.46x = 7,684,935.12 × 2,724,277.18 - Step 4: Simplify right side
5,122,404.46x = 20,935,893,377,196.56 - Step 5: Solve for x
x = 20,935,893,377,196.56/5,122,404.46 - Step 6: Final answer
x = 4,087,122.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.