Finding the Fourth Proportional to 5,618,119.47, 7,753,224.42 and 3,170,815.13
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Solution
The fourth proportional to 5,618,119.47, 7,753,224.42 and 3,170,815.13 is: 4,375,848.80
Step by Step Solution
- Step 1: Write the proportion equation
5,618,119.47 : 7,753,224.42 = 3,170,815.13 : x - Step 2: Convert to fraction form
5,618,119.47/7,753,224.42 = 3,170,815.13/x - Step 3: Cross multiply
5,618,119.47x = 7,753,224.42 × 3,170,815.13 - Step 4: Simplify right side
5,618,119.47x = 24,584,041,316,604.54 - Step 5: Solve for x
x = 24,584,041,316,604.54/5,618,119.47 - Step 6: Final answer
x = 4,375,848.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.