Finding the Fourth Proportional to 4,762,431.48, 7,144,631.40 and 1,567,749.36
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Solution
The fourth proportional to 4,762,431.48, 7,144,631.40 and 1,567,749.36 is: 2,351,948.02
Step by Step Solution
- Step 1: Write the proportion equation
4,762,431.48 : 7,144,631.40 = 1,567,749.36 : x - Step 2: Convert to fraction form
4,762,431.48/7,144,631.40 = 1,567,749.36/x - Step 3: Cross multiply
4,762,431.48x = 7,144,631.40 × 1,567,749.36 - Step 4: Simplify right side
4,762,431.48x = 11,200,991,304,785.91 - Step 5: Solve for x
x = 11,200,991,304,785.91/4,762,431.48 - Step 6: Final answer
x = 2,351,948.02
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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.