Finding the Fourth Proportional to 4,770,850.39, 7,156,242.74 and 1,930,921.54
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Solution
The fourth proportional to 4,770,850.39, 7,156,242.74 and 1,930,921.54 is: 2,896,369.02
Step by Step Solution
- Step 1: Write the proportion equation
4,770,850.39 : 7,156,242.74 = 1,930,921.54 : x - Step 2: Convert to fraction form
4,770,850.39/7,156,242.74 = 1,930,921.54/x - Step 3: Cross multiply
4,770,850.39x = 7,156,242.74 × 1,930,921.54 - Step 4: Simplify right side
4,770,850.39x = 13,818,143,239,071.32 - Step 5: Solve for x
x = 13,818,143,239,071.32/4,770,850.39 - Step 6: Final answer
x = 2,896,369.02
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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.