Finding the Fourth Proportional to 4,279,594.12, 5,905,911.62 and 2,319,535.24
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Solution
The fourth proportional to 4,279,594.12, 5,905,911.62 and 2,319,535.24 is: 3,200,997.51
Step by Step Solution
- Step 1: Write the proportion equation
4,279,594.12 : 5,905,911.62 = 2,319,535.24 : x - Step 2: Convert to fraction form
4,279,594.12/5,905,911.62 = 2,319,535.24/x - Step 3: Cross multiply
4,279,594.12x = 5,905,911.62 × 2,319,535.24 - Step 4: Simplify right side
4,279,594.12x = 13,698,970,117,949.54 - Step 5: Solve for x
x = 13,698,970,117,949.54/4,279,594.12 - Step 6: Final answer
x = 3,200,997.51
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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.