Finding the Fourth Proportional to 4,972,749.30, 6,858,299.97 and 2,933,590.50
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Solution
The fourth proportional to 4,972,749.30, 6,858,299.97 and 2,933,590.50 is: 4,045,939.67
Step by Step Solution
- Step 1: Write the proportion equation
4,972,749.30 : 6,858,299.97 = 2,933,590.50 : x - Step 2: Convert to fraction form
4,972,749.30/6,858,299.97 = 2,933,590.50/x - Step 3: Cross multiply
4,972,749.30x = 6,858,299.97 × 2,933,590.50 - Step 4: Simplify right side
4,972,749.30x = 20,119,443,638,142.29 - Step 5: Solve for x
x = 20,119,443,638,142.29/4,972,749.30 - Step 6: Final answer
x = 4,045,939.67
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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.