Finding the Fourth Proportional to 5,687,313.68, 7,848,475.08 and 3,108,995.60
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Solution
The fourth proportional to 5,687,313.68, 7,848,475.08 and 3,108,995.60 is: 4,290,404.20
Step by Step Solution
- Step 1: Write the proportion equation
5,687,313.68 : 7,848,475.08 = 3,108,995.60 : x - Step 2: Convert to fraction form
5,687,313.68/7,848,475.08 = 3,108,995.60/x - Step 3: Cross multiply
5,687,313.68x = 7,848,475.08 × 3,108,995.60 - Step 4: Simplify right side
5,687,313.68x = 24,400,874,490,429.65 - Step 5: Solve for x
x = 24,400,874,490,429.65/5,687,313.68 - Step 6: Final answer
x = 4,290,404.20
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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.